USD330556SExpiredUtility
Air vent valve for an internal combustion engine fuel heat system
Est. expiryMar 30, 2010(expired)· nominal 20-yr term from priority
Inventors:Sylvester Stires, Jr.
32
PatentIndex Score
4
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an air vent valve for an internal combustion engine fuel heat system, as shown and described.
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