Ink-jet cartridge featuring a withdrawal port provided with a wick that defines a capillary passageway
CA 2213066 A1 · Owner: Recojet Inc. · Inventors: Hamtak, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a novel ink-jet cartridge for use in an ink-jet printer. The cartridge comprises an ink withdrawal port in which is placed a wick defining a capillary passageway to permit the transfer of fluid from the cartridge toward a withdrawal needle of the printer that is received in the withdrawal port. The capillary passageway promotes liquid transfer toward the withdrawal needle while at, the same time, forming a filter to prevent impurities from reaching the needle inlet orifices. An additional benefit of this construction is the ability of the capillary passageway to prevent the transmission of air bubbles, thus limiting the probability of air being sucked by the …
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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 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 2019.
- 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.