USD355422SExpiredUtility

Muffler for a jackhammer

32
Assignee: INGERSOLL RAND COPriority: Oct 9, 1992Filed: Oct 9, 1992Granted: Feb 14, 1995
Est. expiryOct 9, 2012(expired)· nominal 20-yr term from priority
Inventors:Robert R. Kimberlin
32
PatentIndex Score
1
Cited by
7
References
1
Claims

Claims

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

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