US PATENT SUBCLASS 379 / 143
WITH CHECK OPERATED CONTROL (E.G., PAYSTATION)

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

143WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) {5}
144  DF  .~> Other than coin
145  DF  .~> Fraud or interference prevention
146  DF  .~> Coin signalling or control {4}
154  DF  .~> At central office
155  DF  .~> At terminal station (e.g., coin paystation)

DEFINITION

Classification: 379/143

WITH CHECK OPERATED CONTROL (E.G., PAYSTATION):

(under the class definition) Subject matter wherein a telephone is operated by an authorized payment and includes telephone circuitry.

SEE OR SEARCH THIS CLASS, SUBCLASS:

36, for a paystation having provision for free calling.

123, for paystation charge metering at a central office.

132, for paystation charge metering at the terminal.

SEE OR SEARCH CLASS

194, Check-Actuated Control Mechanisms, appropriate subclasses for a check controlled telephone mechanism, per se, or for a check controlled device of general utility.