Wax-pellet thermostat
CA 1324596 C · Owner: Kuze, Yoshikazu · Inventors: Kuze, Yoshikazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wax-pellet thermostat having a valve seat a, piston secured to the valve, a guide member slidably mounted on the piston, a valve secured to the guide member, a seal spool secured to the guide member and a, wax provided in the cylinder. A seal device is provided in the guide member at a top portion thereof around the piston. The seal device comprises an annular separator slidably mounted on the piston, and at least one O-ring provided adjacent the annular separator.
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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 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.