US PATENT SUBCLASS 235 / 60.26
.~.~.~ Non-add controls

Current as of: June, 1999
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235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
58 R  DF  .~ Recording {7}
60 R  DF  .~.~ Key set {31}
60.26.~.~.~ Non-add controls

DEFINITION

Classification: 235/60.26

(under subclass 60) Subject matter comprising means to disable or render ineffective the mechanism for entering amounts into the register or totalizing means, whereby an amount may be recorded without being entered into the calculator.