USD324221SExpiredUtility

Internal combustion engine

61
Assignee: MARUYAMA MFG COPriority: Feb 14, 1989Filed: Aug 8, 1989Granted: Feb 25, 1992
Est. expiryFeb 14, 2009(expired)· nominal 20-yr term from priority
Inventors:Katsumi KiyookaKaori Katoh
61
PatentIndex Score
9
Cited by
4
References
1
Claims

Claims

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

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