USD320867SExpiredUtility

Diving mask

81
Assignee: KASAMA MASATOSHIPriority: Aug 8, 1989Filed: Aug 8, 1989Granted: Oct 15, 1991
Est. expiryAug 8, 2009(expired)· nominal 20-yr term from priority
Inventors:Masatoshi Kasama
81
PatentIndex Score
24
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a diving mask, as shown and described.

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