Bulk liquid dispensing, counting and recording system
CA 1287331 C · Owner: Guerette, Alvin · Inventors: Guerette, Alvin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portion monitor for mounting on a liquid dispensing apparatus having a body, a pivotable open and closing mechanism connected to the slidable liquid control stem a, separate control box, the portion monitor comprised of a magnet adapted to be installed in the end of the liquid control stem closest to said pivotable open and closing mechanism, a Hall effect digital switch adapted to be supported opposite the end of the slidable liquid control stem nearest the pivotable open and closing mechanism said, magnet being adapted to energize said Hall effect digital switch when the slidable liquid control stem is in the open position and turn off said Hall effect digital switch when the liquid …
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 August 6, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2008.
- 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.