US PATENT SUBCLASS 455 / 407-- .~.~.~ At subscriber unit

US PATENT SUBCLASS 455 / 407
.~.~.~ At subscriber unit

Current as of: June, 1999
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455 /	HD	TELECOMMUNICATIONS

403	DF	RADIOTELEPHONE SYSTEM {12}
405	DF	.~ Usage measurement {2}
406	DF	.~.~ Billing {2}
407		.~.~.~ At subscriber unit

DEFINITION

Classification: 455/407

At subscriber unit:

(under subclass 406) Subject matter wherein the billing is performed at the radiotelephone terminal.