US PATENT SUBCLASS 379 / 139
.~.~.~ Counting the number of completed connections

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

Internet Version by PATENTEC © 1999      Terms of Use


379 /   HD   TELEPHONIC COMMUNICATIONS

111  DF  WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) {3}
133  DF  .~ Call traffic recording or monitoring {2}
134  DF  .~.~ At central station {4}
139.~.~.~ Counting the number of completed connections

DEFINITION

Classification: 379/139

Counting the number of completed connections:

(under subclass 134) Subject matter for incrementing a totalling device by one unit in response to a successful call attempt.