USD617664SActiveUtility

Internal combustion engine piston ringland gas porting tool

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Assignee: GRIMES JR DONALD EPriority: Feb 26, 2008Filed: Feb 26, 2008Granted: Jun 15, 2010
Est. expiryFeb 26, 2028(~1.6 yrs left)· nominal 20-yr term from priority
Inventors:Donald E Grimes, Jr.
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PatentIndex Score
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Cited by
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References
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Claims

Claims

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

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