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US 6,643,874 B1Granted
Pyramidal seat cushion
OwnerRobert A. Gegleininventor
Life of this patent
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Abstract
The inflatable cushion, pyramidal in shape, with a protective back flap, disclosed herein is relatively soft, conformable, and easy to transport. It is remarkable in its ability to facilitate sitting on a sloping surface by providing an enhanced measure of security, stability and comfort.
Claims5
An inflatable cushion, pyramidal in shape, said cushion comprising four triangular surfaces, including a base surface having the largest area of the four surfaces;
- a sitting surface;
- two lateral support surfaces identical in shape and size;
- a back flap originating from the juncture of said base surface and said sitting surface;
- and a valve for inflating said cushion.
1 more element
Dependencies are inferred from the claim text.