Electrostatic spray coating method
CA 1303914 C · Owner: Hamu, Tatsuro · Inventors: Soshi, Fujio; Hamu, Tatsuro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrostatic spray coating method where an electrical field is generated between a spray gun and an object for electrostatically attracting the paint to the object for coating the same. A positive or negative voltage is preliminarily applied to the object with a spraying system for spraying the paint from the spray gun being electrically grounded while the object being maintained electrically insulated.
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
- Granted June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
- 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.