USD250139SExpiredUtility
Self-cleaning diaphragm for racing plate
Individually held — no corporate assignee on recordPriority: Oct 4, 1977Filed: Oct 4, 1977Granted: Oct 31, 1978
Est. expiryOct 4, 1997(expired)· nominal 20-yr term from priority
Inventors:Stanley R. Brown
23
PatentIndex Score
1
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for self-cleaning diaphragm for racing plate, as shown and described.
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