Large tube transport system and associated approach to use
CA 2032465 A1 · Owner: Marcu, Mihail I. · Inventors: Marcu, Mihail I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tube transport system is proposed where,there are two pipelines connected by transfer monorails.The wheeled containers form at the end of the system some continuous strings of bumper to bumper configuration,pressed by the pressure forces from behind and launched one by one by the injector chains.The system has only 2 chains and the exit of each pipeline has not any restriction or chain, the containers being lined up and forming dead end configurations for braking the incoming containers which are attached to the said bumper to bumper strings. The transfer from one tube to another is made by monorail in a suspended manner.Inside of the tube the containers are rolling on their main bottom …
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 December 17, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2012.
- 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.