Detectable synthetic conduit and connecting means thereof
CA 2321880 A1 · Owner: Trichard, Claude · Inventors: Pirony, Eric; Trichard, Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a conduit (1) comprising an internal cavity (3) for receiving a cable or pipe and a guide slot (5) extending continuously over the whole conduit length for a detecting insulated electrical conductor (4). The invention is characterised in that the cavity (3) and the guide slot (5) are made of a single piece and are delimited in a cylindrical sheath (5) obtained by extrusion without external protuberance and the guide-slot (5), formed between the cavity (3) and the conduit (1) outer wall is separated from the cavity by a partition (8) linking two internal generators of the sheath (2) to be sealed over the conduit length opposite the cavity (3) and from outside said …
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 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 10, 2021.
- 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.