Activation mechanism for a dump valve in a tank
CA 2085908 A1 · Owner: Riopel, Ronald Alfred · Inventors: Riopel, Ronald Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An activation mechanism for a dump valve characterized by a rod attached at a central position on a closure. Guide brackets are disposed in the fluid flow passage for supporting the rod substantially aligned with a central axis of a fluid flow passage. The rod is axially movable through the guide thereby moving the closure between the open position and the closed position. A shaft is disposed transverse to and offset from the central axis of the fluid flow passage. A bent linkage is provided having a first end pivotally connected to the rod and a second end pivotally connected to the an eccentric on the shaft. When the shaft rotates in a first direction a force is exerted through the bent …
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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 December 21, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 21, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2014.
- 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.