USD252815SExpiredUtility
Shaft for a marking instrument
Individually held — no corporate assignee on recordPriority: Aug 27, 1976Filed: Aug 27, 1976Granted: Sep 4, 1979
Est. expiryAug 27, 1996(expired)· nominal 20-yr term from priority
Inventors:Melvin C. Coffman
48
PatentIndex Score
5
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a shaft for a marking instrument, as shown and described.
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