USD271963SExpiredUtility
Multiple-tubed exhaust unit for automotive vehicles
Individually held — no corporate assignee on recordPriority: Sep 2, 1981Filed: Sep 2, 1981Granted: Dec 27, 1983
Est. expirySep 2, 2001(expired)· nominal 20-yr term from priority
Inventors:Frank E. Perkins
73
PatentIndex Score
20
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a multiple-tubed exhaust unit for automotive vehicles, as shown and described.
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