Control circuits in or for washing, drying and the like machines or other apparatus
CA 1085495 A · Owner: Servis Domestic Appliances Limited · Inventors: Wood, Raymond F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control circuit for controlling current supply to machines, such as a washing machine, the control circuit controlling the state of a first switch adapted to switch current to control means associated with the machine functional means being monitored, such monitoring being operative to, should a fault occur, cause the first switch to open, and a back-up circuit, responsive to said monitors including switching means operative to disconnect the current from the functional means if a fault occurs irrespective of the state of the first switch.
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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 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.