USD261223SExpiredUtility

Door knob

Assignee: WILKE HEINRICH HEWI GMBHPriority: Feb 8, 1979Filed: Aug 7, 1979Granted: Oct 13, 1981
Est. expiryFeb 8, 1999(expired)· nominal 20-yr term from priority
Inventors:Winfried Scholl
80
PatentIndex Score
14
Cited by
2
References
1
Claims

Claims

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

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