USD315316SExpiredUtility
Drywall marker
Individually held — no corporate assignee on recordPriority: Dec 8, 1988Filed: Dec 8, 1988Granted: Mar 12, 1991
Est. expiryDec 8, 2008(expired)· nominal 20-yr term from priority
44
PatentIndex Score
8
Cited by
15
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a drywall marker, as shown and described.
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