Cleaning ink jet printheads and orifices
CA 2399162 A1 · Owner: Fassler, Werner · Inventors: Fiscella, Marcello; Bartman, David A.; Fassler, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cleaning apparatus for cleaning debris from orifices in an ink jet printhead nozzle plate includes a structure defining a cleaning cavity between two horizontally contacting rollers where cleaning liquid is loaded agitated, and dynamically sealed in the cavity trough the rotation of the rollers. A relative movement is also provided between the nozzle plate and the cleaning structure so that the nozzle plate can be positioned above the cleaning cavity with the rotating rollers. The nozzle plate is spaced a small distance from the flow of the cleaning liquid that the cleaning fluid fills this, small distance. The flow causes the cleaning fluid to engage the nozzle plate and remove debris …
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 August 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 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.