Coating removal system having a solid particle nozzle with a detector for detecting particle flow and associated method
CA 2393199 A1 · Owner: Kelley, John Daniel · Inventors: Kelley, John Daniel; Lawton, Stanley Allen; Schmitz, Wayne Nicholas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus (110) is provided for removing a coating (200) from a substrate (220), comprising a nozzle (140) having an outlet (142) and adapted to direct a particle stream therethrough at a predetermined flow rate a signal source , (162) for emitting a signal capable of traversing the particle stream and a , signal sensor (164) positioned to detect the signal emitted by the signal source once the signal has passed through the particle stream. The particle stream is directed from the outlet of the nozzle toward a coating on a substrate to remove the coating from the substrate. Since the signal emitted by the signal source traverses the particle stream before being detected the , …
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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 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 2022.
- 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.