Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8136568 | Retractable arched window covering A shade for an arched window including an arched track with a movable carriage and a shade member attached to the carriage. A cord actuates the carriage to move along the track and pull the shade member between collapsed and extended positions. A central hub permits... | 03/20/2012 |
| 8118077 | Retractable arched window covering A shade for an arched window including an arched track with a movable slide base and a pleated blind attached to the slide base. A cord actuates the slide base to move along the track and pull the blind between retracted and extended positions. A top rail of the bli... | 02/21/2012 |
| 7997322 | Covering device for surfaces or for windows, doors, or similar openings A covering device for surfaces or for windows, doors, or similar openings or zones or for surface portions of the aforementioned items, has at least one covering element, which has movable element parts joined in zigzag fashion and capable of being fanned out and cl... | 08/16/2011 |
| 7650922 | Window treatment for arch-shaped window A window treatment for an arch-shaped window including a frame having an arch portion and a horizontal portion; at least one shade panel pivotally connected to a central portion of the horizontal portion of the frame; at least one channel formed on an inner surface ... | 01/26/2010 |
| 7490653 | Door and window ornamental article positioning device A door and window ornamental article positioning device includes a support unit equipped with stop plates and a support mount to be mounted to a central hollow-out portion of a fan-shaped blind body having a counterweight board fixedly attached to the underside of b... | 02/17/2009 |
| 7481259 | Half moon arch window insert The purpose of this window treatment insert is to block out light and to enhance the decor. The insert can be covered with different types of fabric for a decorative appearance. The window insert is made to fit arch windows. The window insert is made of foam. The wi... | 01/27/2009 |
| 7383870 | Adjustable blind for oddly-shaped windows A window covering for an oddly-shaped window includes a panel, having a flexible bottom edge, and a top edge attached at a top of the window. The panel is configured to be drawn upward by the bottom edge to uncover the window, and to lower to a substantially planar ... | 06/10/2008 |
| 7302985 | Lowerable blind for irregularly-shaped windows A window covering for an irregularly-shaped window includes a panel, comprising accordion folds, configured to fold up at a base of the window, and to raise and unfold to a substantially planar configuration. A top edge of the panel is shaped to match a top shape of... | 12/04/2007 |
| 7261137 | Retractable blind assembly A retractable blind assembly including a top section (3,103) with a vertically-extending blind covering material (23,123) extending between a fixed inclined head rail (5,105) and a middle rail (7,107) that is pivotable with respect to the... | 08/28/2007 |
| 7249623 | Bracing bracket for arched window blinds An improved bracing bracket for arched window blinds includes a protrusive seat which has a wedge notch on the top rim to couple with a mating plank so that the coupled protrusive seat and the plank may serve as the installation basis. A left material and a right ma... | 07/31/2007 |
| 7225850 | Child safety blind A child safety blind having a head rail, a bottom rail, at least one ladder tape, a plurality of slats, a tilt wand and a pair of registry clips. At least one ladder tape extends horizontally between the head rail and the bottom rail, and the ladder tape comprising ... | 06/05/2007 |
| 7195051 | Collapsing and securing device of lateral blinds A collapsing and securing device of a lateral blind includes a lateral blind such as a winding blind, a Roman blind, or a cloth blind, and a number of positioning members fixed at least on one surface of the window curtain, and the positioning members can temporaril... | 03/27/2007 |
| 7194811 | Cutting guide for a window shade A system is provided for properly resizing a window shade to fit within a window frame adjacent a window. At least one ruler strip is provided with visible graduations thereon. Indicia are provided adjacent at least some of the graduations. The indicia are descripti... | 03/27/2007 |
| 7188658 | Retractable arched window covering A retractable window covering for arched or palladian style windows. The covering has a pair of shade members that can be remotely operated by an activator such as a pull cord for opening and closing the shades. The shade members are suspended from a carriage that i... | 03/13/2007 |
| 7086447 | Window covering A removable window covering for an arched window is formed of a reinforcing frame and fabric enveloping the frame. The frame has joints to allow for folding of sections of the window covering for ease in transporting and storing the covering. An attachment means is ... | 08/08/2006 |
| 7048027 | Arcuate shade An apparatus and method for selectively positioning a shade along an arcuate path to cover at least a portion of an arched window and to correctly align the shade within a window frame to prevent gaps or over-extensions of the shade with respect to the window. The a... | 05/23/2006 |
| 7007420 | Barricade sign The present invention provides a barricade sign that is compact, portable, safe, durable, versatile, and weather/wind resistant. The barricade sign distinguishes a base and a lid that are pivotally connected together. The base supports the lid and has a compartment ... | 03/07/2006 |
| 7000669 | Locating device of fan-like blind embodiment A locating device of a fan-like blind embodiment includes a door/window with a frame, a fan-like patterned blind embodiment attached at the top of the frame thereon, and a locating device adapted into a room exposed under the base of the patterned blind embodiment t... | 02/21/2006 |
| 6994143 | Child safety blind A child safety blind having a head rail, a bottom rail, at least one ladder tape, a plurality of slats, a tilt wand and a pair of registry clips. At least one ladder tape extends horizontally between the head rail and the bottom rail, and the ladder tape comprising ... | 02/07/2006 |
| 6966353 | Retaining bracket structure for cordless continuous folding blind A retaining bracket structure for a cordless continuous folding blind including a pair of flexible retaining brackets. Each of the two flexible retaining brackets, of plastic materials, is made up of a pressing plate protruding at the middle section thereof, a pair ... | 11/22/2005 |
| 6962186 | Retaining structure for cordless continuous folding blind A retaining structure for a cordless continuous folding blind includes an upper beam, a continuous folding blind attached to the bottom of the upper beam, and a retaining plate fixed at opposing ends of a bottommost slat of the continuous folding blind via a fasteni... | 11/08/2005 |
| 6959749 | Pattern variable fabric drapery A pattern variable fabric drapery comprises an upper beam with a double-layered fabric drapery attached thereto wherein the upper section of the double-layered fabric drapery has a plurality of elongated tubular holes equidistantly disposed thereon for long rods to ... | 11/01/2005 |
| 6959752 | Collapsible auto shade A collapsible automobile shade is described that includes a body comprising at least one material portion, the body having a front side, a back side and a peripheral portion defining an outer edge that extends along a circumference of the material portion, at least ... | 11/01/2005 |
| 6932138 | Roman style shade A window covering having a plurality of panels comprising a head rail and a plurality of panels suspended from the head rail by a securement member and an opening member is provided. Each of the plurality of panels is collapsible and includes a pair of opposed longi... | 08/23/2005 |
| 6923236 | Sector curtain A curtain assembly contains a long cloth. An upper extending portion has a plurality of parallel and equally spaced first folding portions, a plurality of first supporting portions, and a plurality of first rings. The first folding portions are seamed to be as a bag... | 08/02/2005 |
| 6877546 | Sprocket assembly for louver arch mechanism A sprocket assembly for a louver arch assembly for semi-circular, non-perfect or imperfect arch frame assemblies with louvers rotably mounted therein. A tensioning mechanism keeps the louvers taut between an arched frame member and a smaller anchorage frame member. ... | 04/12/2005 |
| 6865817 | Window shade with measurement guide A system is provided for properly resizing a window shade to fit within a window frame adjacent a window. At least one ruler strip is provided with visible graduations thereon. Indicia are provided adjacent at least some of the graduations. The indicia are descripti... | 03/15/2005 |
| 6820674 | Fan shade An apparatus and method for selectively positioning a shade along an arcuate path to cover at least a portion of an arched window. The apparatus includes first member immovably associated and spaced from the arched window. The apparatus also includes a second member... | 11/23/2004 |
| 6705381 | Adjustable shade unfoldable in multiple directions A car window sun screen structure, which consists of a fold away sun screen and a supporting frame. The characteristics include the length of the supporting frame as adjustable; a rubbers supporting pad on each end of the supporting frame so that the supporting fram... | 03/16/2004 |
| 6691762 | Collapsible auto shade A collapsible automobile shades comprising a pleated screen which can be selectively moved between an opened position and a collapsed position. The shade can be mounted to either an automobile's visor, to shade the vehicle from sunlight which would otherw... | 02/17/2004 |
| 6651722 | Arched blind for semicircular arched window A blind for an arched window and more specifically a fan-type blind for semicircular arched windows in the form of an adjustable vertical slat-type blind for a semicircular arched window opening being constructed from semi-rigid material such as plastic o... | 11/25/2003 |
| 6644736 | Privacy seat divider for transport vehicles A fan-type foldable device for sub-dividing for privacy purposes, the space occupied by a passenger seated in a moving vehicle or a movie theatre, is described. The fan type device incorporates a means for coupling onto a side of a seat back, thereby main... | 11/11/2003 |
| 6640868 | Weather protection device comprising at least one foldable protective elements A weather protection device including at least one foldable protection component having a plurality of shafts and a none-circular trapaulin attached to one of the shafts, and further including a mounting device for supporting the protection component in a... | 11/04/2003 |
| 6585027 | Arched window shade support device An arched window multi-cellular or pleated fabric shade support device for holding the upper margin of the window shade in close proximity to the arch of the window. The device includes a base having orthogonally oriented upright and horizontal mounting s... | 07/01/2003 |
| 6561257 | Collapsible auto shade A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, and which are expandable into a shaped configuration for adherence to the interior of an automobile windshield, when installed, to prevent the entr... | 05/13/2003 |
| 6431245 | Window shade A window shade is formed of a top rail, a pliable shade body, and a pull cord set. The top rail has an arresting member and two actuating members. The shade body is provided with a plurality of cross pleats, a middle tube, and a bottom tube. The middle tu... | 08/13/2002 |
| 6390172 | Arched blind for semicircular arched window A blind for an arched window and more specifically a fan-type blind for semicircular arched windows in the form of an adjustable vertical slat-type blind for a semicircular arched window opening being constructed from semi-rigid material such as plastic o... | 05/21/2002 |
| 6341447 | Half circle window shutter/blind A shutter for a half-circle window having a top, a base, and a plurality of slats capable of interlocking engagement and rotatably secured between the top and the base wherein the slats are further held in position by springs providing pressure against th... | 01/29/2002 |
| 6257301 | Modular window blind or shade assembly A modular window shade assembly has two embodiments. One includes a frame with a generally arcuate opening containing a blind system with horizontal slats that may be pivoted to control transmission of light through the opening. In the other embodiment, a... | 07/10/2001 |
| 6192967 | Collapsible auto shade A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, as in its larger embodiment, and which are expandable into a shaped configuration for adherence, as through usage of a suction cup, double face tap... | 02/27/2001 |
