Back pack

Design Patent

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Design Patent

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D0485678

CLAIM:
The ornamental design for a back pack, as shown.

REFERENCES:
patent: 3233803 (1966-02-01), Gray
patent: D236388 (1975-08-01), Walters
patent: D243889 (1977-03-01), Walters
patent: 4085873 (1978-04-01), Schweitzer
patent: 4925064 (1990-05-01), Comora
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patent: 5632429 (1997-05-01), Cantwell
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patent: D418972 (2000-01-01), Gold
patent: D421523 (2000-03-01), Freyer
patent: D426951 (2000-06-01), Rohrbach et al.
patent: 6095389 (2000-08-01), Fenton et al.
patent: 6179186 (2001-01-01), Blanking
patent: D446008 (2001-08-01), Schulze
patent: D456601 (2002-05-01), Kegels
patent: D461048 (2002-08-01), Blanking
patent: D471353 (2003-03-01), Ho
patent: 6536637 (2003-03-01), McLaughlin
patent: 2002/0113102 (2002-08-01), Klamm
patent: 2002/0113103 (2002-08-01), O'Hare
Photographs of Motorcycle Racer's with Racing Suits, mcnews.com.au, Aug. 2002.
Aerodynamic Hard Shell Pack, Speed Pac brochure, 2002.
Futori, On-line catalog, date unknown.

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