USD362713SExpiredUtility

Pneumatic plug for pipelines

36
Assignee: CHERNE IND INCORPORATEDPriority: May 17, 1994Filed: May 17, 1994Granted: Sep 26, 1995
Est. expiryMay 17, 2014(expired)· nominal 20-yr term from priority
Inventors:Allen D. Mathison
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PatentIndex Score
2
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pneumatic plug for pipelines, as shown and described.

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