US PATENT SUBCLASS 379 / 91.01
.~ Credit authorization

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}
91.01.~ Credit authorization {1}
91.02  DF  .~.~> At switching station

DEFINITION

Classification: 379/91.01

Credit authorization:

(under subclass 90.01) Subject matter wherein the nontelephone signal is used to permit or deny a charge to an individual account over a telephone line.

SEE OR SEARCH THIS CLASS, SUBCLASS:

144, for a credit card operated pay station.

SEE OR SEARCH CLASS

235, Registers,

380+, for a credit card operated register having significant card reading structure.

340, Communications: Electrical,

825.33, for remote credit authorization, not limited to use of telephone equipment. 395, Information Processing System Organization,

201+, for business oriented applications for computers.