Springless seat cup
CA 2335733 A1 · Owner: The Meyer Company · Inventors: Labinski, Jeffery J.; Kawolics, Raymond P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A seat cup seal for a valve includes a base portion and a nipple portion projecting outwardly from the base portion. The nipple portion and said base portion, define a blind bore about a longitudinal axis that opens in the base portion. The, nipple portion defines a transverse end wall at an outermost end relative to the base, that is adapted for sealingly engaging an associated valve seat. A flexible shoulder, portion interconnects the base portion and the nipple portion so that said nipple, portion is selectively movable between a first relaxed position where the , transverse end wall is spaced a first distance from the base and a second retracted , position, where the transverse end …
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 February 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 2023.
- 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.