Back support for a rucksack

Design Patent

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Design Patent

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D0507697

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

REFERENCES:
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patent: 5957356 (1999-09-01), Potempa
patent: D426700 (2000-06-01), Gregory
patent: D467060 (2002-12-01), Randesi et al.
patent: 2002/0158097 (2002-10-01), Beale

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