Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Reexamination Certificate
2006-04-18
2006-04-18
Friedhofer, Michael A. (Department: 2832)
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
C200S600000
Reexamination Certificate
active
07030323
ABSTRACT:
A keyboard which may be utilized in either an expanded or contracted state. A keyboard is comprised of an expandable and compressible housing which supports a plurality of elastic belts. Keyswitch assemblies are fastened to the elastic belt. When the keyboard housing is expanded, the elastic belts are stretched, and the distance between the keys is increased. The keytops can be of variable size so that upon expansion, they increase in size.
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Friedhofer Michael A.
Kenyon & Kenyon
RAST Associates, LLC
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