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...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!

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Class 108/66 - Circular segment


Subclass of Class 108 - Horizontally supported planar surfaces
Definition: Device wherein the addition comprises a section which increases
No. of patents: 38
Last issue date: 12/25/2007


NumberTitleIssue Date
7311047Expandable table
An expanding table of the type in which a number of table top sections are caused to move outwardly and expand on rotation of the table top. The table top sections are coupled to a guide plate, which defines the positions between which the sections move. The guide p...
12/25/2007
7171909Adjustable display rack
An adjustable display rack or stand for displaying products on at least two panels of the display rack. The panels being adjustable about respective generally horizontal pivot axes to adjust an angle or degree of tilt of the panels relative to a base of the display ...
02/06/2007
7107914Modular table system
A modular table system formed of modular tables of identical design that can be interleaved to form a larger table. Each individual table utilizes a multi-level tabletop having a top mounted to a base, the top and base having nearly identical construction with an op...
09/19/2006
7004082Outdoor table, outdoor table and chair set
An outdoor table and chair set in which the tabletop of the table is constructed to include a plurality of polygonal tabletop box panels abutted against one another and defining a center hole for the mounting of the shank of a parasol, each tabletop box panel having...
02/28/2006
6994032Expandable table
An expanding table of the type in which a number of table top sections are caused to move outwardly and expand on rotation of the table top. The table top sections are coupled to a guide plate, which defines the positions between which the sections move. The guide p...
02/07/2006
6715428Articulating table
An articulating table can be easily adjusted by meeting participants, thereby suiting a wide range of meeting conditions without lifting, carrying or requiring specialized help. Rollers and/or electric motors make this transition easy. The articulating table include...
04/06/2004
6553920Table extensible by turning over its side boards
A table extensible by turning over its side boards, constituted by a horizontal plane, having peripheral parts with upper side boards and lower side boards shaped as circle segments and a central part enclosed thereby. The central part is able to rotate o...
04/29/2003
6497184Articulated modular table
A pivoting structure for joining and supporting two co-planar surfaces (52) that pivot independently around a fixed point between the tables at one end on a pivot assembly (35). The co-planar surfaces are supported at the opposite end by a support leg (54...
12/24/2002
6363866Table construction
A table is provided having a table top with two opposed side edges and two opposed end edges. The side edges are curvilinear each having a concave portion and a convex portion. The side edges are further mutually aligned so as to be a constant distance fr...
04/02/2002
6155435Media storage or display assembly modular media storage units and movable shelves therefor and methods of making the same
A media storage or display assembly is adapted to stand erect and receive multiple media storage cartridges therein. The media storage assembly comprises at least one modular media storage unit having multiple upright members, multiple intermediate shelf ...
12/05/2000
6032588Convertible table system
There is described a convertible table system which has a fixed central portion and leaves along at least two adjacent edges. The leaves fold from an operative position where they are substantially co-planar with the table top to a stored position where t...
03/07/2000
6009814Expandable table
An expandable table, comprising a tabletop layer, a guide layer, an actuation layer, a central axis, and a base. The tabletop layer comprises a plurality of segments, each having a pair of segment sides which meet at a segment point. When the tabletop is ...
01/04/2000
5967058Articulatable furniture
A structure system includes a plurality of elements which mate along respective cooperating concave and convex ends. Each end has a constant common radius of curvature value and spans a predetermined included angle to provide infinitely variable articulat...
10/19/1999
5953767Auxiliary children's pool apparatus
An auxiliary children's pool apparatus 10 for providing an adjustable height support enclosure above the bottom 101 of a conventional above ground swimming pool construction 100. The apparatus 10 includes a framework unit 11, a floor unit 12, an enclosure...
09/21/1999
5799587Portable display center
A collapsible, portable event display counter if disclosed, whereby the supporting structure is easily folded into a unitary compact configuration. The support structure essentially comprises a central hub to which a plurality of elongated horizontal arms...
09/01/1998
5676068Versatile tables which form expandable loop assemblies
Tables having tops (20, 22, 23, 24, 25, 26, 28, 30, 32, 34, 36, 38) with two or more edge portions designed to be adjoining edges. One adjoining edge is concave with a radius r. A second adjoining edge is convex with a radius r, less enough clearance to p...
10/14/1997
5673631Table joining leaf
A table joining leaf for joining a pair of round tables as well as for joining a round table to a table having straight edges. The table joining leaf includes a pair of a first panel of a thin material. The first panel includes an upper surface, a lower s...
10/07/1997
5568775Articulating table connection
An articulating table connection or arrangement includes an in-fill piece occupying a gap between spaced tables and remaining in abutment with the tables as the tables are relatively aligned at any angle around a center defined by a curved arc segment at ...
10/29/1996
5513578Four-sided drop leaf table
A four-sided drop leaf table is provided which can be converted between a square table and a round table, or between a elongated rectangular table and an oval table. The mating edges of the table and leaves have complementary routed contours. The corners ...
05/07/1996
5485795Free standing extension table and method of manufacture
A self-supporting extension table is defined by a main table portion having a recess at one end, an edge opposite thereto, and a drop leaf adjacent the latter edge with the drop leaf corresponding in shape and configuration to the recess. The drop leaf is...
01/23/1996
5458070Extendible table with two rotating elements, for use as a piece of furniture
The table comprises two leaves (1) and (2) lying one on top of the other in two parallel and adjacent planes, it being possible to draw the leaves apart in plan view; each leaf is supported by a support arm which is inclined to a greater or lesser degree ...
10/17/1995
5363772Center post supported table with a multiple of table leaves
A combination table and rack structure selectively usable as a multi-level display rack and as a table. The structure comprises a base, a segmented table top having a plurality of leaves, an upright column fixedly mounted on the base, support arms beneath...
11/15/1994
5341750Extendable table
An extendable table includes an insert which is fitted with a pair of tables each of which has releasable leg connectors. The insert includes attachment members for attaching to the tables at their respective leg connectors and the insert includes its own...
08/30/1994
5311826Furnishing element with foldable panels
The furnishing element with foldable panels of the disclosure comprises a support base to the top of which there is connected, by a hinge, at least one primary movable panel rotatable from a substantially vertical rest position to horizontal position, and...
05/17/1994
5193465Table assembly with circumferentially disposed retractable extension members
The disclosure relates to a table assembly with circumferentially disposed retractable extension members. The extension members, when not in service, are vertically stored beneath the table plate in radially space relationship with each other. On purpose ...
03/16/1993
5161599Foundry equipment
Foundry equipment (1) has a plurality of moulding tables (2) arranged radially on a carousel (3). A central work station (5) is provided for a machine operator (6) having access to control means (17, 10-12) to rotate the carousel (3), and hence the tables...
11/10/1992
5156095Table having additional extendible and retractable leaves
A table comprises table leaves (4, 5, 6,) displaceable between a first position, in which the table area is relatively small, and a second position, in which the table area is relatively large by insertion of additional leaves (10, 11, 12, and 13). The ta...
10/20/1992
5146855Arrangement for the complementary interconnection of round table tops
A round top table arrangement in which there are one or more in-fill pieces (7,8) engaging with underneath clamps (14,16) adjacent edges of adjoining round top tables to provide contiguous edges and a preferred shape of supporting surface. The shape of th...
09/15/1992
5088419Tables
A table including a top and a base each consisting of a plurality of hingedly connected sections so that the surface area of the table top as well as the base thereof can be varied by folding or unfolding the plurality of respective sections. The hingedly...
02/18/1992
4922835Multi-part table
A multi-part adaptable table comprising self-supporting leg members interconnected into pairs by bearing means with each leg member adapted to support a quadrant or rectangular shaped table top portion and each bearing means adapted to support a further r...
05/08/1990
4836114Space station wardroom table
A table top for use in constricted areas has a plurality of support arms abutting at one end to form a hub. The support arms are arranged in equidistant, spaced-apart relation to each other at the ends distal to the hub. A plurality of work surface leaf s...
06/06/1989
4809619Folding table
A folding table (101) has a structure consisting of a plurality of mutually-articulated panels (104, 108, 109) which can be unfolded in an arc of a circle about an axis (105) corresponding to the central vertical axis of the table, from a folded configura...
03/07/1989
4807540Arrangement of work locations
A ring-shaped arrangement of individual work locations. Tables which are preferably trapezoidal are arranged in a ring, in the middle of which is disposed a region which is free of table tops, and in which can be disposed common supply lines or the like. ...
02/28/1989
4706572Arrangement of work locations
A ring-shaped arrangement of individual work locations. Tables which are preferably trapezoidal are arranged in a ring, in the middle of which is disposed a region which is free of table tops, and in which can be disposed common supply lines or the like. ...
11/17/1987
4646654Hinge clamp mechanism for drop-leaf tables
A hinge-latch mechanism mounts an extension leaf to a table for movement between extended and storage positions. A pair of guide rails, mounted to the table, support a flat hinge plate for sliding movement along the undersurface of the table while an exte...
03/03/1987
4201816Basis for a tabletop for an extension table
A basis for a tabletop for an extension table having extension leaves (E) with extension bars (B1 and B2), characterized by the fact that the tabletop basis consists of three laminae (10,20,30) having the same thickness and placed one on top of the other ...
05/06/1980
4069770Table with an undivided table-top
The table is provided with extension leaves which can be stored in a concealed position under the main table top. The underframe of the table has a top and bottom which serve to support the extension leaves in the extended position and the retracted posit...
01/24/1978
4069771Oval table with undivided table top
An oval table is provided with double-lying extensions for folding out to increase the oval shape. These extensions are adapted to be mounted under the main table out of view and to this end, the main table has a downwardly facing edge for concealing the ...
01/24/1978
 
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