Doorknob

Details Doorknob Doorknob

2005-06-28

2005-06-28

Deshmukh, Prabhakar (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0506665

CLAIM:
The ornamental design for a doorknob, as shown and described.

REFERENCES:
patent: D43534 (1913-02-01), Hawley
patent: D105146 (1937-06-01), Sinko
patent: D173850 (1955-01-01), Ohno
patent: D179220 (1956-11-01), Russell
patent: D179458 (1956-12-01), Ohno
patent: D179679 (1957-02-01), Ellis
patent: D182623 (1958-04-01), Russell
patent: D186083 (1959-09-01), Mair
patent: D199922 (1964-12-01), Schlage
patent: D225393 (1972-12-01), Giandomenico
patent: D454049 (2002-03-01), LaPlume et al.
patent: D492887 (2004-07-01), Wu
Kitchen & Bath Source Book, 1996/97., McGraw-Hill Publishers, New York, NY, pp. 20-30.

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