U.S. patents available from 1976 to present.
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Icon_funbox Did You Know...

...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 446/53 - Container detached from parachute


Subclass of Class 446 - Amusement devices: toys
Definition: Device wherein the collapsible surface is completely separated
No. of patents: 2
Last issue date: 01/16/1979


NumberTitleIssue Date
4134227Parachute kit
A toy parachute kit having a toy parachute comprising a frame member which includes a central base and a plurality of spaced, radially extending flexible arms with the arms having canopy attaching means at their outer ends. The entire frame member is inte...
01/16/1979
4077155Aerodynamic toy
An aerodynamic toy comprising a disc shaped aerodynamic throwing implement of the type adapted to rotate about its axis upon an airborne flight and a member which detaches from the implement after a predetermined number of revolutions of said implement. T...
03/07/1978
 
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