Process for coating metallic molding articles
CA 2200542 A1 · Owner: Sobata, Tamotsu · Inventors: Sumie, Naohiko; Sobata, Tamotsu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for coating a metallic molding article comprising transporting said article by conveyer means continuously and serially through a degreasing stage (1) a, first water rinsing stage (2), a surface conditioning stage (3), a chemical conversion treatment stage (4) a second water, rinsing stage (5), and an electrodeposition coating stage (6), wherein at least one stage of said stage (1) (2), (3), (4), (5) comprises in dipping said article in a treating bath of dipping system, at least one unit of said treating bath is provided with a vibratory agitation means and the angles of, immersion and emergence of said article with respect to said bath are not less than 25 degrees. The invention …
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 March 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 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
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.