Multiple channel duct assembly for cables
CA 2377392 A1 · Owner: Byun, Moo-Won · Inventors: Byun, Moo-Won
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The multiple channel duct assembly for cables comprises of a plurality of plastic inner ducts (10) contiguous, co-directionally extending substantially , parallel, in abutting contact with each other each of said inner ducts (10) , having the cross sectional areas sufficient to contain at least one cable; and a plastic outer duct (20) encircling said inner ducts over their entire length to retain them in their contiguous relationship; wherein said outer duct (20) has a corrugated tubular section including a plurality of contiguous ridges (21) and troughs (22) extending over the entire length; whereby said assembly is so flexible that it can be coiled around transportable reels (30) as …
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 May 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 13, 2022.
- 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.