Expired Canadian patentCanada
Liquid level sender with linear float
CA 1309316 C · Owner: Weaver, Frank C. · Inventors: Weaver, Frank C.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel level sender including a vertically reciprocal foam float that carries a slideable dual contact member biased by springs in the float toward a thick-film resistor plate.
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 October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 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.
FiledAugust 17, 1989
GrantedOctober 27, 1992
Term endedOctober 27, 2009
Patent numberCA 1309316 C
Classification (IPC)G01F23/30 +1 more
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.