Immersion-type temperature measuring apparatus using thermocouple
CA 2102969 C · Owner: Suzuki, Hiroshi · Inventors: Suzuki, Hiroshi; Ogawa, Koji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An immersion-type temperature measuring apparatus using a thermocouple for measuring temperature of a melt which comprises: a replaceable cartridge-type temperature sensor (11) for detecting a thermoelectromotive force corresponding to temperature of a melt the temperature, sensor (11) comprising a thermocouple (13) a protecting, tube (12) for protecting the thermocouple (13) from the melt, and a connector (16); a holder for releasably supporting the temperature sensor (11); a measuring instrument (28) for processing the thermoelectromotive force to determine the temperature of the melt; and an extension lead wire (25) for connecting the temperature sensor (11) with the measuring instrument …
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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 November 12, 1993 and granted January 29, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 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
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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.