US PATENT SUBCLASS 379 / 93.22
.~.~.~ At pay station

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}
93.01  DF  .~ Having transmission of a digital message signal over a telephone line {9}
93.17  DF  .~.~ Having station display {7}
93.22.~.~.~ At pay station

DEFINITION

Classification: 379/93.22

At pay station:

(under subclass 93.17) Subject matter wherein the structure includes a public telephone from which calls can be paid for by means of currency, credit, or debit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

91.01+, for credit authorization.

143+, for check operated control (e.g., pay station).