Letter opener

Details Letter opener Letter opener

2008-04-22

2008-04-22

Brooks, Cathron C. (Department: 2913)

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Color stripping or subduing

Design Patent

active

D0567056

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

REFERENCES:
patent: D306394 (1990-03-01), Koenig
patent: D329584 (1992-09-01), Shevin et al.
patent: D329798 (1992-09-01), Kramer et al.
patent: 5285577 (1994-02-01), Carney et al.
patent: D372655 (1996-08-01), Lin
patent: D380365 (1997-07-01), Schmidt
patent: D383663 (1997-09-01), Gray et al.
patent: 5819419 (1998-10-01), Schmidt
patent: D421889 (2000-03-01), Moore
patent: D435422 (2000-12-01), Schimmel
patent: D539318 (2007-03-01), Oas
patent: D543824 (2007-06-01), Lee
patent: D556005 (2007-11-01), Huang

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