Heater with alert indicator
CA 1300731 C · Owner: Townsend, Donald L. · Inventors: Townsend, Donald L.; White, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heater assembly for example a radiant heater, is, provided that includes heating element for generating heat to warm a space to be heated. The heater assembly includes a sensor for sensing temperature within the heater assembly. An overheat control unit is provided for automatically disabling the heater elements upon exposure of the sensor to temperature in excess of a predetermined threshold temperature. Alert indicators are provided for indicating disablement of the heater elements upon actuation of the overheat control unit. A tip-over switch is provided for activating the alert indicators independent of actuation of the overheat control unit in response to predetermined tilting …
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 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.