Pneumatic pump switching apparatus
CA 2470203 A1 · Owner: Nordson Corporation · Inventors: Binder, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating material spray application system includes first and second coating material supplies (16); first and second coating material pumps (18) and first and second feed hoses (24); wherein each feed hose (24) is in communication with a respective one of the coating material pumps (18) and has a respective coating material hose outlet (26). Each pump (18) is operable to transfer coating material from a respective one of the supplies to the respective feed hose. A spray booth (12) may be used and a coating material spray gun (14) operable within said spray booth, with the spray gun (14) being connectable to a selected one of the coating material hose outlets (16). A source of …
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 November 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 26, 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.