USD315621SExpiredUtility

Pipeline cleaner

66
Assignee: ENDURO PIPELINE SERVICES INCPriority: Feb 2, 1987Filed: Feb 2, 1987Granted: Mar 19, 1991
Est. expiryFeb 2, 2007(expired)· nominal 20-yr term from priority
Inventors:Dwane O. LaymonJames M. Berry
66
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

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

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