US PATENT SUBCLASS 379 / 152
.~.~.~ Magnet, electromagnet, or relay controlled from central office

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

143  DF  WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) {5}
146  DF  .~ Coin signalling or control {4}
150  DF  .~.~ Coin disposition (i.e., return or collection) {3}
152.~.~.~ Magnet, electromagnet, or relay controlled from central office

DEFINITION

Classification: 379/152

Magnet, electromagnet, or relay controlled from central office:

(under subclass 150) Subject matter wherein the paystation has a magnetic device controlled by a signal from a central switching station, the magnetic device in turn controlling the disposition of a deposited coin.