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Expired Canadian patentCanada

Control system for a combined appliance

CA 1235467 A · Owner: Maytag Company (The) · Inventors: Cotton, Curran D.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A control system is provided for controlling the operation of a plurality of associated appliances. The appliances are individually powered from separate power sources. A single control panel is mounted on one of the appliances and includes selection switches for operator input of cycle information corresponding to each of the appliances and also includes display apparatus. A single controller is in circuit communication with the power supply of one appliance, the selection switches and the display apparatus and outputs data signals to a driver which outputs data signals to control operation of the appliances and the display apparatus. The driver is operable for outputting a series of …

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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 April 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 19, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 14, 1984
GrantedApril 19, 1988
Term endedApril 19, 2005
Patent numberCA 1235467 A
Classification (IPC)D06F29/00 +2 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedDec 14, 1984Patent grantedApril 19, 1988Term endedApril 19, 2005

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.