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Expired Canadian patentCanada

Sliding dimmer switch

CA 1331768 C · Owner: Lutron Electronics Co. Inc. · Inventors: Jacobs, Russell J.; Bryde, Gary; Flowers, Woodie

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A system for controlling power to an electrical load includes a linear slide dimmer and a switch whose, pushbutton actuator moves up and down with the dimmer slider. When the pushbutton is depressed to actuate the, switch, it rides in and out in the slider. The slider only moves up and down. In one embodiment, a light is visible through the pushbutton in a darkened environment. In another embodiment, a wallbox-mountable switch assembly includes a pushbutton-actuated, alternate-action mechanical power switch whose pushbutton, when depressed moves within, a bezel that is attached to the switch support.

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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 August 30, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 30, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 17, 1989
GrantedAugust 30, 1994
Term endedAugust 30, 2011
Patent numberCA 1331768 C
Classification (IPC)H01C10/38 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJuly 17, 1989Patent grantedAug 30, 1994Term endedAug 30, 2011

Sources & verification

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