Printer
CA 1233697 A · Owner: Imperial Chemical Industries Plc · Inventors: Owen, David J.; Mclaine, Colin G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Printer", A printing apparatus is provided which consists of an ink applicator spaced from the printing substrate. The printing mark is made upon the substrate by a fine stream or spray of ink, which stream or spray is provided electrostatically. An electrical field is established between the substrate and the applicator and the ink is drawn towards the substrate where it forms a spray of electrically charged droplets. The applicator of the invention consists of a nozzle having an extending porous wick which allows for improved flow of ink and more precise and uniform application without blurring.
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 March 8, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 8, 2005.
- 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.