Liquid supply apparatus
CA 1298254 C · Owner: Satoh, Hiroshi · Inventors: Satoh, Hiroshi; Kojima, Kazuyuki; Akiba, Jyuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a liquid supply apparatus comprising a detecting element for detecting the liquid to be supplied fom the vaporized gas of the remaining liquid which requires additional supply, the element is prepared at the liquid supply end a, discriminator for discriminating the information obtained from such detecting element and generating a lock signal and a lock-, ing means for suspending supply of liquid on the basis of a signal generated from the discriminator.
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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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.