USD445429SExpiredUtility

Combustion engine piston

23
Priority: Jun 25, 1999Filed: Jun 25, 1999Granted: Jul 24, 2001
Est. expiryJun 25, 2019(expired)· nominal 20-yr term from priority
Inventors:James Scott MacphersonMark Scarpelli
23
PatentIndex Score
0
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a “combustion engine piston”, as shown.

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