US PATENT SUBCLASS 455 / 406
.~.~ Billing

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

403  DF  RADIOTELEPHONE SYSTEM {12}
405  DF  .~ Usage measurement {2}
406.~.~ Billing {2}
407  DF  .~.~.~> At subscriber unit
408  DF  .~.~.~> At remote station

DEFINITION

Classification: 455/406

Billing:

(under subclass 405) Subject matter which computes a cost of usage or receives a radiotelephone subscriber payment.

SEE OR SEARCH CLASS

348, Television,

3, for television use accounting with a billing feature.

364, Electrical Computers and Data Processing Systems,

464.1+, for cost computing using significant computer data processing.

379, Telephonic Communications,

114+, for landline telephone call charge metering or monitoring.