USD394153SExpiredUtility
Oil change reminder for key rings
Individually held — no corporate assignee on recordPriority: Jun 25, 1996Filed: Jun 25, 1996Granted: May 12, 1998
Est. expiryJun 25, 2016(expired)· nominal 20-yr term from priority
Inventors:John C. Martin
50
PatentIndex Score
7
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an oil change reminder for key rings, as shown and described.
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