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...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.

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Class 211/201 - Frames movable toward each other in parallel relationship


Subclass of Class 211 - Supports: racks
Definition: Device wherein the framework included two or more framework
No. of patents: 57
Last issue date: 05/19/2009


1    
NumberTitleIssue Date
7533777Variable storage shelving
Storage shelving includes at least two base elements consisting of an essentially horizontal base support and several storage grilles, whose side rails are arranged substantially vertically and whose grille bars run substantially perpendicular to the side rails. The...
05/19/2009
7389887Portable foldable shelf
The present invention discloses a portable shelf including a pair of shelf plates each having two folding members pivotally connected with each other by inner edges, a pair of side frames pivotally connecting the two plates to form a rectangular body, and a folding ...
06/24/2008
7353658Systems and methods for freezing, storing, transporting, and thawing biopharmacuetical material
A system for freezing, thawing, transporting, and storing a biopharmaceutical material, which includes a container, a supporting structure, a temperature control unit, and a transportation cart. The container is adapted to receive the biopharmaceutical material ther...
04/08/2008
7252108Collapsible shelter with flexible, collapsible canopy
The collapsible shelter includes a truss and a canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised position. ...
08/07/2007
7222466Foldable support structure with hinged sawtooth wall members
A foldable truss member suitable for commercial displays includes a plurality of side members that are adjacently hinged together. The side members include support members and bridging members having extensions. The side members are joined into a foldable structure ...
05/29/2007
7168580Rack
A first section of a rack includes a first lower wire bend, a second lower wire bend, a first upper wire bend, and a second upper wire bend. The first section also includes a first pivot coupling into which is received a first end of each of the first and second low...
01/30/2007
7140498Mail delivery system
A mail case system facilitates sequence-sorting various types of mail together into individual bags that each represent delivery points. The mail case uses multi-bag inserts so that bags for a number of stops can be set up for sorting. At the end of the sorting oper...
11/28/2006
7108144Portable work stations
Portable work stations which permit a one-step, touch-free finishing of all surfaces of doors, shutters, window sashes, cabinet doors, garage doors, spindles, and other workpieces. There are also provided trim measuring and cutting, and hinge mortising and prep rack...
09/19/2006
7090176Articulated support with lateral movement for high-voltage or medium-voltage electrical plant
A support for high-voltage or medium-voltage electrical plant comprises four columns placed on a support surface and connected in pairs by crossmember assemblies. The columns are each articulated to rotate about a first horizontal axis at their end resting on the su...
08/15/2006
7028872Storage device for a cargo space for a motor vehicle
A storage device for a motor vehicle, such as a station wagon, including at least one partially flexible storage bag, which can be firmly secured in the cargo space, wherein each of two opposing sides of the storage bag features a dimensionally stable supporting sec...
04/18/2006
7025236Collapsible storage bag with collapsible support frame
A collapsible storage bag for use on a vehicle such as a motorcycle, includes a collapsible support frame. In the open state, the bag is strengthened by the frame. In the collapsed state, the frame forms a compact, attractive protective cover over the storage bag.
04/11/2006
6974042Nestable and/or liftable rack
Rack includes a left upright frame, a right upright frame, and a connector extending between and joining the left and right frames. The connector defines at least one (1) passage extending along the left upright frame, for example, so that another rack may be nested...
12/13/2005
6938807Collapsible trunk cargo organizer
A collapsible cargo organizer construction (10) for supporting, segregating, and removing packages (100) from the rear storage area (200) of a vehicle wherein the organizer construction (10) includes a collapsible framework member (20
09/06/2005
6877622Collapsible closet frame
A collapsible closet frame includes pillars, posts, first linking rod sets, second linking rod sets, third linking rod sets. The pillars are located at four corners of the closet. The posts are connected to the pillars in a sliding manner. The first linking rod sets...
04/12/2005
6851564Multi-plane compound folding frame
A folding frame comprises four vertical legs and at least one shelf pivotally connected to each of the four vertical legs, each shelf being capable of folding vertically upward. The folding frame further comprises two support beams positioned beneath and on opposite...
02/08/2005
6834768Comestible fluid rack and rail apparatus and method
A rack for comestible fluid dispensing containers used in a comestible fluid dispensing system. The rack is expandable and/or adjustable in some embodiments to enable an assembler or user to change the capacity of the rack as desired. The racks can be stackable upon...
12/28/2004
6789688Expandable display rack
A display rack comprises a pair of vertical supports, and a number of shelves which can be placed at various locations on the supports. To accommodate shelves of different widths, the vertical supports are interconnected by diagonal braces whose angle can be changed...
09/14/2004
6685199Collapsible movable cart
A cart has a collapsible frame which is foldable into a closed position for forming a narrow lateral profile and unfoldable into an unfolded open position. The frame has two support members. Each support member has a pair of legs extending downwardly from...
02/03/2004
6666344Book shelf support for standing on a floor and unattachably abutting against a wall
A book shelf support for standing on a floor and unattachably abutting against a wall. The book shelf support includes a pair of uprights and a pair of criss-cross braces. The pair of uprights stand on the floor and unattachably abut against the wall. The...
12/23/2003
6634689Retractable truck cargo support walls
Horizontal members have hollow interior spaces to receive vertical members and other horizontal members therein to stack the horizontal members with a low profile on the sides of the truck in a retracted position. Vertical members have a pivot at one end ...
10/21/2003
6513674Container for the dishes
A bowl B in a dish-accommodating space S comes in engagement at the periphery or rim f thereof with lugs 12, which are movable relatively to reduce or expand an interval between any two adjacent bowls. On the other hand, a support plate 7 makes engagement...
02/04/2003
6443481Collapsible movable cart
A movable cart having a collapsible frame with the frame being foldable into a collapsed or closed position for forming a narrow lateral profile and into an unfolded open position adapted to support a removable storage container. The frame comprises suppo...
09/03/2002
6393543System and a method for transformation of memory device addresses
A system for transformation of memory device addresses between different memory device topologies, each topology having its address space, providing the use of minimum memory space and time required for storage and computing defect data and also the flexi...
05/21/2002
6149021Folding truss member for a display
A portable display system having a plurality of truss members and a plurality of connection structures for interconnecting the plurality of truss members to form the display structure. Each of the plurality of truss members include at least a pair of brac...
11/21/2000
6088956Foldable plant support structure and system
A foldable plant support system is described which provides a structure within which a plant may be grown and physically supported, and over which a protective cover may be drawn to provide a protective environment for a plant contained within the structu...
07/18/2000
5941400Frame collapsible and extendable by means of a turning movement
A frame collapsible and extendable by means of a turning movement, which frame comprises a number of supporting frames (1) and a number of rod-like upright elements (2, 2'), each upright element being connected to a supporting frame via a pivot (3) for pi...
08/24/1999
5927745Foldable utility cart
A folding utility cart for a providing a movable work platform which may be raised and lowered without the use of tools. The cart employs an upper support member that is spaced apart from a lower support member by a pair of cross braces. A biasing spring ...
07/27/1999
5913270Portable modular field kitchen
A portable modular field kitchen for use in preparing and serving food in the out-of-doors typically employed at camp sights, roadside camping facilities for recreational vehicles, at a city park, the beach-or even on the patio or in the back yard of a re...
06/22/1999
5899346Foldable shelving unit
A space saver shelving unit adapted to straddle the tank of a toilet for convenient shelves above the tank. The shelving unit includes detachable leg members which connect to a folding upper section. The upper section has a plurality of shelves pivotably ...
05/04/1999
5853155Expandable holder for cardboard and a method of operation thereof
An expandable holder for storing cardboard, newspapers or similar itmes has a front support and a rear support connected to one another by arms. The arms are pivotally connected to the supports along each side. The rear support is mounted on a vertical wa...
12/29/1998
5746331Collapsible stand for school locker
A collapsible stand, having a number of shelves, which can be placed on the floor of a school locker to store and arrange small articles thereon in a convenient manner, and wherein the stand is self-locking and requires no manually manipulated braces for ...
05/05/1998
5730452Collapsible cart
A collapsible cart basically for serving food. A ground support assembly includes an axle with a wheel at each end and a caster cross-bar perpendicular to the axle with a caster at each end which provides great stability. Two sets of three parallel vertic...
03/24/1998
5685442Package containers rack frame
A package containers rack frame for storing, transferring and displaying relative light-weight packages. The rack frame is constructed of a pair of side frames and a plurality of support bases which are removable from the side frames. The support bases ar...
11/11/1997
5593046Collapsible housing frame
The collapsible housing frame has a pair of side frame boards opposed to each other, and connecting mechanisms which connect both the opposed ends of the side frame boards. Both ends of the side frame boards are connected to the connecting mechanisms thro...
01/14/1997
5577622Merchandising display rack assembly
A merchandise display rack assembly. The assembly comprises in combination at least one box having an open top for containing merchandise to be displayed in a supporting rack. The rack includes spaced box-support bars arranged to provide a crib for recept...
11/26/1996
5555987Site-assembled folding shelf
A site-assembled folding shelf for displaying marchandise comprises a plurality of square pipe members and a plurality of pipe joints equipped with pipe anchor pins for each fastening a square pipe member thereon by fitting the square pipe thereon and rot...
09/17/1996
5445280Modular display rack
A modular produce display rack having a rectangular base track removeable, sidewall panels and a hinged, multisection, perforated product support track which mounts to the sidewalls. The support track sections detachably mate at hinge joints and couple to...
08/29/1995
5234116Trunk securement means for grocery bags and packages
A readily transportable rack or assembly for holding packages or bags in a stable condition, comprising a collapsible and expandable framework for providing spaced, side-by-side compartments, accessible from overhead to place packages or bags therein. The...
08/10/1993
5224677Pull down display and storage apparatus
A pull down display and storage device in one aspect has a member movable with respect to a fixed support having pivot apparatus interconnected between the fixed support and the movable member, the movable member moving out and down from the fixed support...
07/06/1993
5163569Stand for flexible bags
A collapsible support structure for receiving flexible grocery bags. The structure includes a locking mechanism which positively locks it in the open position and which semi-locks it in the closed position. The entire structure is composed of only two siz...
11/17/1992
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