USD339399SExpiredUtility

Breathing water-check valve body of diving snorkel

72
Assignee: LIN HSIN-NANPriority: Aug 15, 1991Filed: Aug 15, 1991Granted: Sep 14, 1993
Est. expiryAug 15, 2011(expired)· nominal 20-yr term from priority
Inventors:Hsin-Nan Lin
72
PatentIndex Score
16
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a breathing water-check valve body of diving snorkel, as shown.

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