Collapsible keyboard

Details Collapsible keyboard Collapsible keyboard

2008-05-20

2008-05-20

Lee, K. Richard (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

C200S004000, C345S168000, C341S022000

Reexamination Certificate

active

11091838

ABSTRACT:
A collapsible keyboard comprises a first key assembly, a second key assembly rotatably connected to the first key assembly and a third key assembly rotatably connected to the second key assembly. The first key assembly is located between the second and third key assemblies when the collapsible keyboard is in a collapsed mode, and the first key assembly, the second and third key assemblies are substantially located on the same level when the collapsible keyboard is in an operating mode.

REFERENCES:
patent: 3940758 (1976-02-01), Margolin
patent: 6198053 (2001-03-01), Chou
patent: 6552281 (2003-04-01), Katakami et al.
patent: 6734809 (2004-05-01), Olodort et al.
patent: 6924788 (2005-08-01), Hsu et al.
patent: 2004/0104897 (2004-06-01), Mochizuki et al.
patent: 2005/0017953 (2005-01-01), Pekka
WO 03/054672 Pekka Jul. 3, 2003.

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