U.S. patents available from 1976 to present.
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...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.

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Class 5/166.1 - Counterbalance weight


Subclass of Class 5 - Beds
Definition: Device comprising a mass of material arranged to counteract
No. of patents: 8
Last issue date: 07/04/2006


NumberTitleIssue Date
7069605Cabinet-crib combination apparatus
Disclosed are apparatus for a cabinet-crib combination. In one embodiment, a combination apparatus comprising a housing structure, a crib railing structure, and a mattress tray. The crib railing structure includes a front railing, a left railing, and a right railing...
07/04/2006
7017200Convertible furniture
A convertible furniture assembly having a bed frame pivotally coupled to a frame assembly. The bed frame is pivotally moveable between an upright position and a lowered position. A counterbalance member is coupled to the bed frame and adapted for counterbalancing th...
03/28/2006
6405392Portable bed
A bed apparatus is pivotal from a horizontal position to a generally upright position and has a base frame with a mattress supporting platform hinged thereto for pivoting between a generally horizontal position and a generally upright position. A counterw...
06/18/2002
5652978Counterbalanced moving pivot folding bed
A folding bed apparatus having a novel moving pivot that enables the bed to be moved effortlessly from a generally horizontal operational position to a generally vertical stowed position within an attractive enclosure and also to be pulled away from the e...
08/05/1997
5020173Bedstead storage box
The bedstead storage box may be adapted as a bedstead for any regular-size bed, including king-size. It includes a shallow box to support the bed off the floor, a lid to carry a bed assembly including the springs, mattress and bedding, hinges to position ...
06/04/1991
4564964Retaining element for swinging weights
A retaining element for swinging weights includes two supporting parts which are spaced apart along a covering. The covering is pivotable around a shaft of rotation between two angular positions. A short arm, which is fixed against pivoting on the shaft o...
01/21/1986
4103373Portable folding bed cabinet
A portable folding bed cabinet having a vertically elongated frame and a pair of horizontally spaced mattress frames that are attached to the vertically elongated frame. The vertically elongated frame has vertical side frame members having tracks along th...
08/01/1978
3999245Counterbalance hinge for pivoting loads
An improved counterbalance hinge assembly has a bias spring and uniquely shaped cam for counterbalancing inherently nonlinear forces represented by pivoting loads such as fold up wall type beds, desks, and the like. A cable attached to the spring wraps pr...
12/28/1976
 
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