Backpack

Details Backpack Backpack

2005-04-07

2009-12-15

Newhouse, Nathan J (Department: 3782)

Package and article carriers

Carried by animate bearer

Article held by receiver

C224S642000

Reexamination Certificate

active

07631792

ABSTRACT:
A backpack is provided with a cushioning, inflatable bladder, the lower part of which extends across the bottom and an upwardly extending part so as when inflated, it generally conforms to the shape of the curvature of the thoracic region of the spine. The bladder is enclosed within a zippered bag wrapped around it that is joined to the outer surface of the backpack. A pump is provided for inflating the bladder. The pump is hand operated with a bulb-shaped configuration and connected to the bladder by means of a tube. An air valve connected to the tube controls the amount of air flow into the bladder and maintains the bladder in inflated position after air has been pumped in, and also permits deflation of the bladder. The pump and valve may be stored in a side pocket of the backpack provided for that purpose. Optionally, the pump could be battery operated.

REFERENCES:
patent: 3071133 (1963-01-01), Eisen
patent: 3679108 (1972-07-01), Ingram
patent: 4178923 (1979-12-01), Curlee
patent: 4384602 (1983-05-01), Ores
patent: 5228609 (1993-07-01), Gregory
patent: 5547461 (1996-08-01), Levis
patent: 5940880 (1999-08-01), Phillips
patent: 6179186 (2001-01-01), Blanking
patent: 6345744 (2002-02-01), Eldridge
patent: 6471105 (2002-10-01), Ammerman
patent: 6722543 (2004-04-01), Fitzgerald
patent: 6793112 (2004-09-01), Ammerman
patent: 6820783 (2004-11-01), Beale
patent: 6824030 (2004-11-01), Dolan
patent: 2002/0158097 (2002-10-01), Beale
patent: 2002/0189003 (2002-12-01), Babcock
patent: WO 02/47510 (2002-06-01), None

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