USD280646SExpiredUtility
Doorknob privacy sign
Individually held — no corporate assignee on recordPriority: Sep 23, 1980Filed: Sep 23, 1980Granted: Sep 17, 1985
Est. expirySep 23, 2000(expired)· nominal 20-yr term from priority
82
PatentIndex Score
30
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a doorknob privacy sign, as shown and described.
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