USD249986SExpiredUtility

Diving mask

45
Individually held — no corporate assignee on recordPriority: Feb 4, 1977Filed: Feb 4, 1977Granted: Oct 24, 1978
Est. expiryFeb 4, 1997(expired)· nominal 20-yr term from priority
Inventors:Simon C. Fireman
45
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

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

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