Face seal assembly
CA 2020600 A1 · Owner: Tellier, Gilbert F. · Inventors: Tellier, Gilbert F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket 88R020, FACE SEAL ASSEMBLY, ABSTRACT OF THE DISCLOSURE An improved face seal assembly (10) is provided to prevent fluid leakage between assembled structural components (12), (14) or the like such as, housing components of a fluid control valve or the like. The face seal assembly (10) comprises a metal seal ring (16) defined by a rigid seal base (22) having generally parallel axial side faces (24) in, combination with a pair of deflectable seal legs (26) extending generally radially from the seal base as axially diverging continuation of said side faces. The seal ring (16) is sandwiched coaxially between a pair of film gaskets (18) of a selected seal material, preferably such as a …
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 July 6, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 6, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2012.
- 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.