Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)
CA 2547027 C · Owner: Molins, Gregory · Inventors: Molins, Gregory; Dubedout, Laurent; Verger, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a sealed tubular joint initially comprising a first male tubular element (EM) with a male thread (FM), a first annular lip (L1) with a first axial abutting surface (SB1) a first internal surface (SI1), a section of a first external surface (SE1) a second abutting surface (SB2) and a second female tubular element (EF) with a female thread (FF), matching the male thread (FM) a second annular lip (L2), with a third abutting surface (SB3) a second external surface (SE2), arranged to face the first internal surface (SI1) a second internal surface (SI2) and a fourth axial abutting surface (SB4) supporting the first abutting surface (SB1) and defining in particular with …
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 November 22, 2004 and granted January 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 22, 2024.
- 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.