US PATENT SUBCLASS 708 / 140
.~.~ Modular or overlay

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}
140.~.~ Modular or overlay

DEFINITION

Classification: 708/140

Modular or overlay:

(under subclass 131) Subject matter where plug-in modules or overlays are utilized to effect data input.