Patent Yard Sign in
Expired Canadian patentCanada

Isdn quick connect terminating resistor

CA 1303200 C · Owner: Bell-Northern Research Ltd. · Inventors: Koleyni, Ghassem

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Abstract of the Disclosure, With the deployment of ISDN within a building a, resistor box is usually required, at each distribution frame between the first and second set of cross-connect connectors in order to maintain a balanced loop. In the present invention, a quick connect terminating resistor for use with cross-connect type of connectors is disclosed. It is used for eliminating the use of the resistor box. The quick connect terminating resistor is comprised of a body having a connecting end, conductor portions on said body at said connecting end adapted to mate with a pair of terminals of said cross-connect type connector and resistor means connected to said conductor portions for …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 7, 1988
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1303200 C
Classification (IPC)H04Q1/02 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 7, 1988Patent grantedJune 9, 1992Term endedJune 9, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.