USD332843SExpiredUtility

Diving helmet

50
Assignee: TOHGUN KIGYO KKPriority: Jun 14, 1990Filed: Dec 7, 1990Granted: Jan 26, 1993
Est. expiryJun 14, 2010(expired)· nominal 20-yr term from priority
Inventors:Masahiko Kaburaki
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PatentIndex Score
7
Cited by
5
References
1
Claims

Claims

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

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