US PATENT SUBCLASS 379 / 145
.~ Fraud or interference prevention

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

143  DF  WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) {5}
145.~ Fraud or interference prevention

DEFINITION

Classification: 379/145

Fraud or interference prevention:

(under subclass 143) Subject matter for mitigation of inaccurate or false indication of payment.