US PATENT SUBCLASS 708 / 145
.~.~.~ Plural function key

Current as of: June, 1999
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708 /   HD   ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING

100  DF  ELECTRICAL DIGITAL CALCULATING COMPUTER {10}
131  DF  .~ Having specialized input {9}
142  DF  .~.~ Including specific keyboard-type information entry {4}
145.~.~.~ Plural function key

DEFINITION

Classification: 708/145

Plural function key:

(under subclass 142) Subject matter where a keyboard key has plurality of selectable predetermined functions associated with it.