USD329687SExpiredUtility

Pipe plug lock unit

56
Assignee: CHERNE IND INCORPORATEDPriority: Jun 14, 1990Filed: Jun 14, 1990Granted: Sep 22, 1992
Est. expiryJun 14, 2010(expired)· nominal 20-yr term from priority
Inventors:Bryan BensonAllen D. Mathison
56
PatentIndex Score
8
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the pipe plug lock unit, as shown and described.

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