Powder coating booth
CA 2237754 A1 · Owner: Arai, Hiroshi · Inventors: Yamashita, Yukihide; Arai, Hiroshi; Mori, Kenichirou
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A powder coating blooth for performing therein powder coating onto an article to be coated is divided into an automatic coating zone in which coating is performed only by automatic coating machines and manual coating zones in which coating is performed by a worker. A dry type of first recovering apparatus which recovers only that powder coating material in the automatic coating zone which has not been coated onto the article to be coated is provided separately from a second recovering apparatus which recovers that powder coating material in the manual coating zones which has not been coated onto the article to be coated. In this manner, the ratio of reusing the recovered uncoated powder …
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 May 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 15, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2020.
- 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.