USD434834SExpiredUtility

Plug for pipe coupling

88
Assignee: NITTO KOHKI COPriority: Dec 1, 1998Filed: Apr 29, 1999Granted: Dec 5, 2000
Est. expiryDec 1, 2018(expired)· nominal 20-yr term from priority
Inventors:Kunihiko Goto
88
PatentIndex Score
37
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for plug for pipe coupling, as shown.

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