USD328903SExpiredUtility

Oil filler nut

61
Individually held — no corporate assignee on recordPriority: Apr 7, 1989Filed: Apr 7, 1989Granted: Aug 25, 1992
Est. expiryApr 7, 2009(expired)· nominal 20-yr term from priority
Inventors:James D. Bonbright
61
PatentIndex Score
10
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an oil filler nut, as shown.

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