Doorknob for a door handle

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Design Patent

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D0649004

CLAIM:
The ornamental design for a doorknob for a door handle, as shown.

REFERENCES:
patent: 2458002 (1949-01-01), Kaskouras
patent: D267254 (1982-12-01), Jolliffe
patent: D391469 (1998-03-01), Foushee
patent: D418390 (2000-01-01), Marquis
patent: D435210 (2000-12-01), Hussaini
patent: D525517 (2006-07-01), Baldwin
patent: D527611 (2006-09-01), Sato
patent: D571310 (2008-06-01), Collins

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