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CA 2392067 A1 · Owner: Mayer, Roland · Inventors: Mayer, Roland; Prussing, Holger; Dick, Wolfram
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and device to detect the presence of a fibrous material web in machines for manufacturing the same, whereby the fibrous material web is guided by, at least one continuously circulating belt. The process includes measuring at least one, of (1) a temperature of a side of the fibrous material web opposite the at least one belt, while it is being supported by the at least one belt (2) a temperature of a , material web, supporting side of the side of the at least one belt after transfer of the fibrous material, web to a following unit and (3) the temperature of a side of the at least one belt, opposite the fibrous material web supporting side of the at least one belt. The …
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 June 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2024.
- 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.