Electric resistance heater for clothes dryer
CA 2080085 A1 · Owner: Sowder, Bill · Inventors: Sowder, Bill; Lewellen, Robert N.; Bryson, Charles E. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heating unit (H) installable in a clothes dryer has first and second sections (S1, S2) which fit together to form the unit. A heater assembly (10) for the heating unit comprises an open coil heating element (62), and a plurality of insulators (16) to each of which a convolution of the coil is attachable. A support (68) is provided on which the insulators are mounted in a spaced relation from each other. The insulators and support together form an insulator assembly installable in the unit. The support includes a flat plate section (74) on which the insulators are mounted and side pieces (76A 76B) which attach, the insulator assembly to a sidewall of one of the sections thereby to mount …
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 October 7, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 7, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 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.