Refrigerator mullion assembly with hot gas tube
CA 2108341 C · Owner: Whirlpool Corporation · Inventors: Greenwood, Michael W.; Williams, Stephen G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mullion assembly includes a mullion rail and hot gas tube for preventing condensation on the mullion of a refrigerator/freezer. The mullion rail is rollformed of steel and includes complementary channels for retaining refrigerator and freezer liners. One of the channels includes an additional formed portion to accept and positively retain a hot gas tube in surface contact with a rear surface of a front wall of the mullion rail to provide acceptable heat transfer from the tube to the steel along the entire length of the mullion rail.
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 13, 1993 and granted December 4, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2015.
- 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.