USD402421SExpiredUtility

Pair of detachable extended vision optical elements for a helmet

Individually held — no corporate assignee on recordPriority: Aug 6, 1996Filed: Aug 6, 1996Granted: Dec 8, 1998
Est. expiryAug 6, 2016(expired)· nominal 20-yr term from priority
Inventors:Joseph J. Berke
59
PatentIndex Score
10
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pair of detachable extended vision optical elements for a helmet, as shown and described.

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