US PATENT SUBCLASS 455 / 403
RADIOTELEPHONE SYSTEM

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


455 /   HD   TELECOMMUNICATIONS

403RADIOTELEPHONE SYSTEM {12}
404  DF  .~> Emergency or alarm communication
405  DF  .~> Usage measurement {2}
410  DF  .~> Security or fraud prevention {1}
412  DF  .~> Message storage or retrieval {1}
414  DF  .~> Special service {3}
418  DF  .~> Programming control {1}
421  DF  .~> Out-of-range indication
422  DF  .~> Zoned or cellular telephone system {14}
461  DF  .~> Including personal numbering system (i.e., intelligent network for subscriber tracking or follow-me subscriber feature)
462  DF  .~> Including private cordless extension system {2}
465  DF  .~> Including public cordless extension system
466  DF  .~> Auxiliary data signaling (e.g., short message service (SMS))

DEFINITION

Classification: 455/403

RADIOTELEPHONE SYSTEM:

(under the class definition) Subject matter wherein voice communication is established between a base and a mobile transceiver via a wireless carrier wave channel that is allocated for use during a communication link and wherein the mobile transceiver has a specific assigned call address number.

SEE OR SEARCH THIS CLASS, SUBCLASS:

550+, for radiotelephone equipment detail.