Door closer

Details Door closer Door closer

2003-07-02

2004-06-22

Deshmukh, Prabhakar (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0491787

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

REFERENCES:
patent: 4086681 (1978-05-01), Nakanishi
patent: 4231134 (1980-11-01), Schoker
patent: D271277 (1983-11-01), Okazaki
patent: D273457 (1984-04-01), Matsuo et al.
patent: D281762 (1985-12-01), Okazaki
patent: D355580 (1995-02-01), Salena et al.
patent: D429992 (2000-08-01), Ginzel et al.
patent: 6421876 (2002-07-01), Ginzel et al.

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