USD433542SExpiredUtility

Diving helmet

19
Assignee: WELL CO LTDPriority: May 3, 1999Filed: May 3, 1999Granted: Nov 7, 2000
Est. expiryMay 3, 2019(expired)· nominal 20-yr term from priority
Inventors:Kaori IwafuneGeorge Tezuka
19
PatentIndex Score
2
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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