US PATENT SUBCLASS 235 / 430
.~ Key operators

Current as of: June, 1999
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235 /   HD   REGISTERS

419  DF  RECORD CONTROLLED CALCULATORS {14}
430.~ Key operators

DEFINITION

Classification: 235/430

Key operators:

(under subclass 419) Subject matter wherein the information sensed from a record member is entered in a keyboard controlled computing machine by devices which press on or actuate keys associated with or corresponding to the sensed information.