Valve override mechanism
CA 1324121 C · Owner: Baker, Gerald S. · Inventors: Baker, Gerald S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved override structure for a valve having an override stem having means on its first end for connecting to the valve member stem, an actuator threaded onto the override stem for moving the override stem axially to cause movement of the valve member between open and closed positions, means for preventing rotary movement of said actuator, means on the other end of the override stem for imparting rotation to the override stem within the actuator, such rotation causing axial movement of the override and valve member stems to move the valve member without movement of the actuator.
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
- Granted November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
- 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.