Industrial treatment machines with rotating vessel
CA 1283544 C · Owner: Perrot, Yvan · Inventors: Perrot, Yvan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to improvements in industrial treatment machines with rotating vessel wherein the vessel is driven in rotation via the door for obturating the access opening so that, by switching on the gear motor said door automati-, cally closes, whilst reversal of the direction of rotation provokes opening thereof.
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
- Granted April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- 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.