A bushing
CA 2321850 A1 · Owner: Beele, Johannes Alfred · Inventors: Beele, Johannes Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a bushing for sealingly leading a cable pipe or the , like through a wall, the bushing comprising a frame of a rigid material which , can be sealingly fitted in an opening formed in the wall and furthermore one , or more parallelopiped blocks of a resilient material such as rubber, which , are built up of two identifical halves which blocks, in their assembled , condition exhibit a bore which is adapted with small tolerances to the shape and the dimensions of a cable to be led through which blocks are placed into , the frame opening with a close fit in operative condition wherein the halves , are placed round a cable in enclosing relationship with respect thereto …
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 February 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 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.