Keyboard stand

Details Keyboard stand Keyboard stand

2011-08-23

2011-08-23

Calabrese, Mary Ann (Department: 2913)

Design Patent

active

D0643648

CLAIM:
The ornamental design for keyboard stand, as shown and described.

REFERENCES:
patent: D278670 (1985-05-01), Schoenig
patent: 4684091 (1987-08-01), Moreschi
patent: D468133 (2003-01-01), Lauts
patent: D534741 (2007-01-01), Lippert
patent: D578803 (2008-10-01), Mori et al.
patent: 7932451 (2011-04-01), Workman et al.
patent: 2008/0135697 (2008-06-01), Workman et al.
patent: 2010/0219143 (2010-09-01), McCleave
patent: 2011/0017688 (2011-01-01), Jines et al.

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