Sealing door
CA 2304922 A1 · Owner: Degelman, Paul · Inventors: Kuzub, Danny; Degelman, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sliding door arrangement for use on a box car the box car having a, main body and an opening on one side of the body. The sliding door arrangement comprises a rail system on the body at the opening the rail system has a top , rail, and a bottom rail horizontally orientated and located at a top side and a bottom side, respectively of the opening a housing defining the door which is arranged to close, upon the opening, a rail assembly coupled to the housing and connected to the rail, system at a top side and a bottom side of the housing respectively such that the, housing is slidably moved in a generally horizontal direction on the rail system for, opening and closing the opening a …
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 April 7, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 7, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 7, 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.