USD311572SExpiredUtility

Combined valve and gauge

62
Assignee: CHAMPION SPARK PLUG COPriority: Feb 17, 1987Filed: Feb 17, 1987Granted: Oct 23, 1990
Est. expiryFeb 17, 2007(expired)· nominal 20-yr term from priority
Inventors:Marvin D. Burns
62
PatentIndex Score
9
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined valve and gauge, as shown and described.

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