Linear motion vacuum packaging system
CA 2565634 C · Owner: Buchko, Raymond G. · Inventors: Buchko, Raymond G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A linear motion, reciprocating vacuum packaging apparatus and method. Articles to be packaged are advanced in linearly in an upstream-downstream direction such as by a platen conveyor. A linearly movable reciprocating vacuum system , includes a series evacuation chambers (116a-c) each of which is moved into , engagement with one of the platens so that the article enclosed within the evacuation chamber (Figs. 1 and 2).
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 6, 2005 and granted July 31, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 6, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.