Devices and processes for performing degassing operations
CA 2622252 C · Owner: Duncan, Gregory Scott · Inventors: Duncan, Gregory Scott; Byram, David C.; Duis, Donnie J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A preferred process for degassing a mold piece includes inserting the mold piece into an internal volume (20) within a canister (10) sealing the , internal volume, drawing a vacuum in the internal volume and introducing into , the internal volume a gaseous fluid suitable for degassing the mold piece.
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 August 31, 2006 and granted March 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 31, 2026.
- 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.