USD346955SExpiredUtility

Door knocker

29
Assignee: MARKS JR ROBERT JPriority: Sep 24, 1992Filed: Sep 24, 1992Granted: May 17, 1994
Est. expirySep 24, 2012(expired)· nominal 20-yr term from priority
Inventors:Robert J. Marks
29
PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a door knocker, as shown.

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