USD291482SExpiredUtility

Pipe coupling

89
Assignee: VASSALLO RES AND DEVELOPMENT CORPORATIONPriority: Mar 13, 1985Filed: Mar 13, 1985Granted: Aug 18, 1987
Est. expiryMar 13, 2005(expired)· nominal 20-yr term from priority
Inventors:Efrain D. VassalloJose E. Valls
89
PatentIndex Score
30
Cited by
13
References
1
Claims

Claims

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

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