Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8113262 | Accessory for wand for window treatment blinds An accessory wand handle for use on existing control wands. An elongated handle with a bore is fitted over the end of an existing wand for blinds. The handle is secured on the existing wand by a frictional fit between the outside surface of the existing wand and the... | 02/14/2012 |
| 8028737 | Apparatus and method for removably attaching window treatments A mounting system is configured for removably mounting window treatments within and external to a window frame. Internal and external wall mounts are mounted respectively within and external to the window frame. Window treatment supports are alternately removably mo... | 10/04/2011 |
| 7841376 | Window covering safety device A window covering is disclosed that has a safety device that includes a first cord segment having stops spaced along the first cord segment, and a second cord segment having stops spaced along the second cord segment. The first cord segment and the second cord segme... | 11/30/2010 |
| 7793701 | Operation wand assembly of curtains A operation wand assembly of a curtain a curved connection member adapted to be connected to the lower rail of the curtain and having a top recess. A through hole is defined through the curved connection member and communicates with the top recess. An engaging membe... | 09/14/2010 |
| 7543624 | Curtain hook apparatus and method An apparatus is provided which allows curtain attachment devices to be easily connected to blind mounting devices, without the need for additional screws and additional hangers. In one embodiment of the present invention, an apparatus is provided including first, se... | 06/09/2009 |
| 7404430 | Collar for venetian blinds A collar for a venetian blind has two generally rectangular rings or half rings, one fitting over the headrail and the other fitting over the bottom rail. A sidewall or pair of spaced apart sidewalls extend between the two rings or half rings, such that the headrail... | 07/29/2008 |
| 7383871 | Equalizing connector for window covering pull cords A connector for joining the ends of a plurality of lift cords from a window covering assembly together. Each lift cord is individually secured to the assembled connector via its own securing system. A pull cord extends downwardly from the connector for use in raisin... | 06/10/2008 |
| 7353857 | Chain stopper A ball chain stopper for inhibiting movement of ball chains used in window blinds and the like for moving the blinds between operative positions is adapted to be attached to intermediate chain members which interconnect adjacent balls of the ball chain. The ball sto... | 04/08/2008 |
| 7331371 | Twist release safety stop ball for window covering cord A safety stop ball includes a post and a nut which travels along a spiral path relative to the post. The nut and the post are biased toward each other to retain the ends of lift cords. As the nut is displaced relative to the post, the lift cords are released. ... | 02/19/2008 |
| 7299851 | Safety cord connector A cord connector for use in a covering for an architectural opening, the connector being designed to interconnect a plurality of operating cords with a single pull cord and wherein the connector includes two interconnectable members that when interconnected define a... | 11/27/2007 |
| 7281564 | Tassel for a covering for an architectural opening A tassel for use in a covering for an architectural opening is provided with an opening in one end for receiving a flexible elongated member of the type used in operating such coverings and an opening of a different configuration in the opposite end for receiving a ... | 10/16/2007 |
| 7114545 | Magnetic catch for bottom rails of coverings for architectural openings A magnetic catch is used on coverings for architectural openings to releasably retain the coverings in an extended position and immediately adjacent to the framework of the opening. Magnetic components are installed on the covering and the framework surrounding at l... | 10/03/2006 |
| 6978821 | Rail for a fabric blind and method of attaching rail to a fabric An elongate hollow rail for a fabric covering for an architectural opening, such as a bottom rail for a fabric roller blind or a top or bottom rail for a roman shade, having an upper portion with a lengthwise upper opening in the top of the rail and being characteri... | 12/27/2005 |
| 6948546 | Cord retaining device for non-cord venetian blind A cord retaining device for non-cord Venetian blinds include two sheltering caps, two snap members, two fixing seats, and two double-sided adhesive pieces wherein the sheltering cap has a registration cavity defined at the bottom side therein, and a through hole dis... | 09/27/2005 |
| 6910517 | Equalizing connector for multi-cord architectural covering A connector is provided for releasably connecting a manipulating cord to the lift cords of an architectural covering. In an embodiment of the invention, the connector includes a resiliently compressible inner assembly and an outer shell. The inner assembly is connec... | 06/28/2005 |
| 6899156 | Headrail with reversible cord lock position A headrail for a venetian type blind or pleated shade has an insert that carries a cord lock. The insert fits into the end of the headrail and is carried by a slot or rib on the sidewalls of the headrail. A pair of pockets are provided on the insert. The pockets are... | 05/31/2005 |
| 6866079 | Decorative light blocking assembly for blinds A blind extension system with removable soft side blinders or light blocking structures provides an organizational system which can be used to reduce light due to improper sized blinds without damaging the blinds or the window frame itself. In one embodiment, a sock... | 03/15/2005 |
| 6845803 | Cord member safety connector for window blind A connector for connecting a cord member of a window blind includes a supporting member and a coupling member detachably coupled to the supporting member. The supporting member has a receiving space and an escape opening that is communicated with the receiving space... | 01/25/2005 |
| 6843299 | Bracket rail for window coverings A window covering system has a bracket rail with an elongated L-shaped body that extends across substantially the full width of a window. A plurality of brackets are attached to a headrail of a window covering and releasably attach the headrail to the bracket rail. ... | 01/18/2005 |
| 6834702 | Blind assembly The assembly includes a blind formed of a headrail, a bottom rail, slats, two ladder tapes, and shades detachably fastened to the ladder tapes to cover the gaps between the slats. Each shade has an elongated shade body and a support member inserted into a pocket at ... | 12/28/2004 |
| 6830092 | Decoration article secured to the ends of upper beam of venetian blind A decoration article secured to the ends of an upper beam of a Venetian blind is mainly made up of a decoration unit, and a fixing mount wherein the decoration unit has a decoration piece disposed at one side to increase the overall beauty of the Venetian blind in d... | 12/14/2004 |
| 6792997 | Device for securing a string ladder to the bottom rail of a horizontal blind assembly A button for securing a string ladder to a bottom rail in a horizontal blind assembly includes a base plate with a central hole and a tubular stem extending upwardly from the base in axial alignment with the central hole for passage of strands of the string ladder t... | 09/21/2004 |
| 6675859 | Curtain and venetian blind arrangement A curtain and Venetian blind arrangement. The arrangement includes a Venetian blind formed of a headrail, a bottom rail, a set of slats, and a lift cord set adapted for joining the headrail, the bottom rail and the slats and keeping the slats arranged bet... | 01/13/2004 |
| 6648046 | Adjustable blind holder The adjustable blind holder is a single unit that solves multiple problems that are posed in the hanging of various window-covering options. The prior art involves the installation of separate units that act as braces for the head rail of a window coverin... | 11/18/2003 |
| 6640870 | Equalizing connector for window covering pull cords A connector for joining the ends of a plurality of lift cords from a window covering assembly together. Each lift cord is individually secured to the assembled connector via its own securing arrangement. A pull cord extends downwardly from the connector f... | 11/04/2003 |
| 6637493 | Device and method for holding window covering pull cords A holder device and method for stowing window covering pull cords to be out of reach of a small child involving the use of a first piece of hook and loop material secured at the end of the pull cords and a second matable piece of hook and loop material at... | 10/28/2003 |
| 6622770 | Tape drum for venetian type blinds A tape drum for venetian type blinds has a pair of spaced apart generally elliptical ends with each end having a hole sized and positioned to receive a tilt axle. A front wall and a rear wall extend between the spaced apart ends. A rib is attached to the ... | 09/23/2003 |
| 6619367 | Peeping tom deterrent device for horizontal window blinds FIG. 4 is a close perspective view of a clip (11) in position for attachment to a slat (24), with the slat cover strip (40) already threaded through both loops (26, 38) on the clip (11). The position of the control cord hole (48) relative to the slat cove... | 09/16/2003 |
| 6615895 | Blind with reinforced head rail An extruded plastic head rail for a blind of the type having blind elements suspended from such head rail, in which the head rail is reinforced to prevent sagging of the head rail under the load of the blind elements, and in which the head rail is suitabl... | 09/09/2003 |
| 6588480 | Counter wrap cord drive A cord drive has two cords mounted on two spools. Pulling the first cord unwraps the first cord from the first spool, causes a drive shaft to rotate in one direction, and causes the second cord to wrap onto the second spool. Pulling the second cord unwrap... | 07/08/2003 |
| 6581666 | Operating device for window openers, screening arrangements and similar devices An operating device for window openers, screening arrangement and similar devices comprising an operating rod (6) with a hook-shaped operating elements (5) in its end and a rotatable coupling element (3) connected to said window opener or screening arrang... | 06/24/2003 |
| 6561254 | Slat angle adjusting device for a venetian blind A slat angle adjusting device for a Venetian blind has a body, a roller, a transmission device, a positioning bar and a positioning plate. The roller is rotatably attached to the body for a cord being wound around the roller. The transmission device is re... | 05/13/2003 |
| 6550523 | Head structure for Venetian blind A head structure for Venetian blind includes a head rail having a concave bottom surface, two mounting members assembled to the head rail and invisible from a front side of the head rail, and a slat tilting gear controlled via tilt cords instead of a rigi... | 04/22/2003 |
| 6540187 | Adjustable mounting bracket The bracket includes an inner body having a hook on one end and arranged to slide within an outer body having a hook on one end to provide a variable bracket length. A pair of springs located between overlapping portions of the bodies biases the bracket t... | 04/01/2003 |
| 6533018 | System for holding batteries in a headrail for powered coverings for architectural openings A system for holding batteries in a headrail comprises a battery carrier that cooperates with a battery carrier housing through an opening in the bottom of a headrail housing. The battery carrier accommodates a plurality of batteries and slidingly engages... | 03/18/2003 |
| 6497266 | Window covering slat A window covering includes a plurality of slats, each slat including a slat base derived from a felt batt and, in one preferred embodiment, a fabric layer. The slat base is thermally treated to form a polymer matrix and can be molded into any desired shap... | 12/24/2002 |
| 6484787 | Window blind cord storage member The subject invention is a holder for a window-shade cord to securely hold the cord in a temporarily stored position to prevent entanglement by the cord, particularly with a child, with the holder being structured to hold a portion of the cord as wound ar... | 11/26/2002 |
| 6463987 | Window covering system and method for controlling window coverings The present invention provides a system for controlling a window covering device comprising a body adapted for mounting adjacent to a window and a weight. The body includes a channel and an entry aperture. The entry aperture is adapted for entry of at lea... | 10/15/2002 |
| 6463986 | Window treatment assembly pull-cord keeper A pull-cord keeper is provided for a window treatment assembly with a pull-cord for operation. The pull-cord keeper includes a wall-mountable housing adapted for permanently mounting to the wall at a desired height above the floor, the housing further inc... | 10/15/2002 |
| 6453974 | Adjustable window blind cord stopper An adjustable window blind cord stopper includes a locking guider slidably connected on a lift cord of the window blind assembly by constructing an adjustable knot at a guiding through slot of the locking guider. In which, in an unlocked position that the... | 09/24/2002 |
