Overload protector for communication systems
CA 1232320 A · Owner: Nortel Networks Limited · Inventors: Scheithauer, Eric A.; Jaycox, Donald F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A protector module or assembly, for telephone lines and, similar systems has line terminals and a ground terminal in the base. The line circuit is between a related pair of line terminals. The line circuit includes part of a line bracket which extends up the side of the housing. The line bracket extends to the outer end of the housing and an aperture in the end of the housing permits access by a test probe to the line bracket. Normally two line brackets are, provided each associated with a pair of line terminals. A ground bracket also extends up the housing, being connected at one end to the ground terminal and having a flange at its other end. Between the outer …
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 February 2, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.