Method and apparatus for measurement of temperatures of molten aluminum and aluminum alloys
CA 2199765 A1 · Owner: Tremblay, Sylvain P. · Inventors: Tremblay, Sylvain P.; Parent, Luc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for and a method of measuring the temperature of molten aluminum or aluminum alloys. The apparatus comprises a temperature measuring device usually a, thermocouple, contained within a protective tubular sheath the sheath enclosing the temperature measuring device at least to a point above the point of maximum immersion in molten aluminum during use of the apparatus. The sheath comprises at least one inner layer closed at one end and an, outer layer, the outer layer being made of steel or cast iron, and the inner layer being made of a continuous refractory material. The outer layer and the at least one inner layer are free of discontinuous (refractory) refractory materials between …
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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 12, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2019.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.