Dispensing apparatus
CA 1194006 A · Owner: Rocep-Lusol (Holdings) Limited · Inventors: Frutin, Bernard D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for dispensing material under propellant pressure, particularly highly viscous material includes, a container having a piston therein the material to be, dispensed being located on one side of the piston and the propellant on the other. Penetration of propellant into the material to be dispensed is prevented by providing sealant which engages the container wall and slides with the piston, the sealant being of deformable material such as organic and mineral liquids and greases and mastics based on these or aqueous based gels and mastics.
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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.