USD402416SExpiredUtility

Diving helmet

38
Assignee: KONNO AKIRAPriority: Jan 30, 1997Filed: Feb 28, 1997Granted: Dec 8, 1998
Est. expiryJan 30, 2017(expired)· nominal 20-yr term from priority
Inventors:Akira KonnoGeorge Tezuka
38
PatentIndex Score
4
Cited by
7
References
1
Claims

Claims

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

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