Gas-heatable appliance for personal use
CA 2190841 C · Owner: Stolper, Michael · Inventors: Henninger, Friedrich; Miller, Anne Tregoning; Stolper, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to a gas-heatable appliance for personal use as, for example, a curling iron a curling brush, a, hair dryer, an epilating appliance a domestic appliance, or the, like, including a fuel gas reservoir a combustion chamber, and, a valve assembly disposed between the fuel gas reservoir and the combustion chamber for controlling and/or regulating the amount of fuel gas supplied, in particular in dependence upon temperature. .There are further provided a valve housing (4) with a gas passageway (5, 15, 16) and a sealing means (6) associated with the gas passageway (5, 15, 16), as well as an actuating means (7) for actuating the sealing means (6). The actuating means is …
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 March 6, 1996 and granted December 21, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 6, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 6, 2018.
- 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.