USD251700SExpiredUtility
Carbon wrench
Individually held — no corporate assignee on recordPriority: Sep 1, 1976Filed: Sep 1, 1976Granted: May 1, 1979
Est. expirySep 1, 1996(expired)· nominal 20-yr term from priority
Inventors:Gordon W. Kelso
18
PatentIndex Score
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Cited by
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Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a carbon wrench, as shown and described.
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