US PATENT SUBCLASS 379 / 100.04
.~.~ Communication charge calculation

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

90.01  DF  TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) {8}
100.01  DF  .~ To produce visual-graphic copy (e.g., facsimile) {14}
100.04.~.~ Communication charge calculation

DEFINITION

Classification: 379/100.04

Communication charge calculation:

(under subclass 100.01) Subject matter wherein the cost of the transmission is tabulated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111+, for usage measurement.