Automatic cycle terminator for dryers
CA 2125553 C · Owner: Hart, Douglas R. S. · Inventors: Hart, Douglas R. S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control device is constructed in the form of a plug adaptor and a control means that can interrupt the power to a dryer when the load is dry. The pattern of the power consumption of the dryer is used, together with a control algorithm to provide the, information needed for the control decision. The device provides a superior means of determining the cycle termination point which could also be incorporated directly into dryers at the point of manufacture. In addition, the invention provides a means of correlation between the moisture level and character of the laundry load with the pattern of power consumption of the clothes dryer. This correlation may be used to further optimize the …
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
- Filed December 10, 1992 and granted August 24, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2014.
- 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.