Dishwashers and detergent dispensers
CA 1078044 A · Owner: Gibson Chemicals International Pty. Limited · Inventors: Lausberg, Johannes W.; Downton, Denys E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A detergent dispenser for a dish washer of the type comprising a reservoir from which water containing detergent is drawn for washing dishes and means for delivering fresh water to the dishes for rinsing and wherein at least part of which fresh water is thereafter passed to the reservoir thereby at least partially changing, and reducing the detergent concentration of the water in the reservoir. The detergent dispenser comprises a pumping device having an inlet adapted to receive detergent and an outlet adapted to be placed in communication with the reservoir, together with control means controlling operation of the pumping device whereby, in use of the dispenser with the dishwasher, to …
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 May 20, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 1997.
- 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.