Liquid supply device with automatic flow cut-off
CA 1047988 A · Owner: Fill-Rite Company · Inventors: Stoner, Joel A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filling device for delivering liquid to a container, such as a storage battery, with valve actuating means for automatically cutting off liquid flow when the liquid level reaches the level of the discharge nozzle and which is operated by having a vacuum formed within the discharge nozzle wherein the liquid inlet passage to the valve is restricted to substantially reduce the rate of liquid flow from a liquid supply line into the valve chamber and the discharge nozzle is provided with a narrow liquid outlet passage formed around the end of a vacuum line connected with said valve actuating means with the size of the inlet and outlet passages being coordinated so that liquid flow is cut off …
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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 February 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 1996.
- 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.