USD400178SExpiredUtility

Extension coupler

47
Assignee: DAN CHIEF ENTPR CO LTDPriority: Apr 24, 1997Filed: Apr 24, 1997Granted: Oct 27, 1998
Est. expiryApr 24, 2017(expired)· nominal 20-yr term from priority
Inventors:Danny Liu
47
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an extension coupler, as shown and described.

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