Turbine engine with two sub-assemblies assembled under axial stresses
CA 2500947 C · Owner: Roy, Alexandre · Inventors: Mesic, Marica; Roy, Alexandre; Pontoizeau, Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Turbine engine with two sub-assemblies outlining between them an annular chamber housing a seal. The two sub-assemblies are assembled under axial stress by outlining an annular chamber (18) housing the seal (20) and a spacer ring (50) is inserted between the abutting surfaces of the two parts of the annular chamber.
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 March 23, 2005 and granted November 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 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.