Patent classifications
A
HUMAN NECESSITIES
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A45
HAND OR TRAVELLING ARTICLES
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A45F
TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
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4/00
Travelling or camp articles which may be converted into; other; articles; or into objects; for other use; Sacks or packs carried on the body and convertible into other articles; or into objects for other use
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A45F4/02
Sacks or packs convertible into other articles; or into objects for other use
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A45F4/10
into boats or sledges
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