USD333179SExpiredUtility

Pipe coupler

78
Assignee: NITTO KOHKI COPriority: Mar 20, 1990Filed: Sep 18, 1990Granted: Feb 9, 1993
Est. expiryMar 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Toshio MikiyaReichi Makishima
78
PatentIndex Score
19
Cited by
11
References
1
Claims

Claims

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

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