USD252148SExpiredUtility

Internal combustion engine

59
Assignee: SCHRAMM BUFORD JPriority: Sep 10, 1976Filed: Sep 10, 1976Granted: Jun 19, 1979
Est. expirySep 10, 1996(expired)· nominal 20-yr term from priority
Inventors:Buford J. SchrammRobert G. Everts
59
PatentIndex Score
6
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2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an internal combustion engine, as shown.

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