Backpack

Design Patent

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Design Patent

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D0505258

CLAIM:
We claim the ornamental design for a backpack, as shown and described.

REFERENCES:
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patent: D403853 (1999-01-01), Lothrop et al.
patent: D404910 (1999-02-01), Schober
patent: D413015 (1999-08-01), Albers
patent: D418972 (2000-01-01), Gold
patent: 6722544 (2004-04-01), Stephens et al.
NFPA 70E “Advance Copy Standard for Electrical Safety In the Workplace” 2004 Edition.

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