Module for telephone line conductor pair having single protector unit
CA 2120402 A1 · Owner: Capper, Harry M. · Inventors: Capper, Harry M.; Robertson, James W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A single modular assembly (10) has two terminals (16) in housing cavities (22) each with a pair of slots (46,48) for termination by rotary actuation to respective conductors (30,32) of two cables, for crossconnecting or splicing the tip and ring lines of a customer's service line with those of a cable extending to the main distribution line. Each terminal (18) is in electrical engagement with one of the two active electrode leads (52,54) of a common protector unit (20) contained in a housing section (18) of the module. The protector unit (20) includes a ground electrode lead (50) grounded to a ground strap (70) which includes a contact section (72) extending from the module to be assuredly …
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
- Filed March 31, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 31, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2016.
- 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.