Valve for ink jet printer
CA 1137356 A · Owner: Ncr Corporation · Inventors: Thomas, Jacob E.; Italiano, Victor J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A rotary ink jet printer has an ink supply in a rotating reservoir wherein a major portion of the ink supply is isolated from the ink feed system during the printing operation. A cylindrical reservoir has a central cavity and a surrounding or outer cavity connected by an orifice opened and closed by means of a ball valve to control the flow of ink or ink supply from the central cavity to the outer cavity.
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 December 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 1999.
- 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.