Self-latching solenoid valve assembly and control circuit
CA 2435356 A1 · Owner: Jones, Thomas R. · Inventors: Jones, Thomas R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A self-latching solenoid valve assembly including a valve body having a pressurized air supply inlet port for communicating with a source of pressurized air and at, least one cylinder port. A valve member is supported in the valve body so as to be movable, between predetermined positions to selectively direct pressurized air from the inlet port to, at least one cylinder port. A biasing member is employed to move the valve member in, one direction and a solenoid assembly is used to move the valve member in an opposite, direction. The solenoid assembly includes a housing with a solenoid coil supported therein, and a fixed ferromagnetic pole piece having a passage extending therethrough …
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 4, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 2022.
- 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.