Thermo-actuator
CA 1305109 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
THERMO-ACTUATOR, Abstract of the Disclosure A thermo-actuator has a steel rod, a guide member alidably mounted on the rod, a seal spool secured to the guide member, a heat conductive cylinder secured to the guide member, and a wax provided in the cylinder. The seal spool has a thin thickness . so that the seal spool engages with the rod by a vacuum generated in the seal spool .
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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- 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.