US PATENT SUBCLASS 346 / 47
.~.~ Workmen's records

Current as of: June, 1999
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346 /   HD   RECORDERS

45  DF  PLURAL-FUNCTION RECORDER, DISTINGUISHABLE RECORDINGS {4}
46  DF  .~ Records distinguishable by color {1}
47.~.~ Workmen's records

DEFINITION

Classification: 346/47

(under subclass 46) Recorder mechanism of the type wherein the two color records are of workmen's time, as early and late arrival; normal working time and overtime; arrival in one color and departure in another.