Ink reservoir for ink jet printer
CA 2216598 A1 · Owner: Beach, Bradley Leonard · Inventors: Beach, Bradley Leonard; Decoste, Charles Leonard Jr.; Elbert, Donald Leo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ink reservoir for use in an ink jet printer cartridge is disclosed. This ink reservoir maintains effective flow of the ink to the print head but containsonly minimal levels of nonvolatile residues. The ink reservoir utilizes a nonfelted reticulated foam having from about 65 to about 110 pores per inch (ppi), preferably from about 88 to about 98 ppi with a compression ratio of, from about 1.5 to about 6.5 preferably from about 2.0 to about 4Ø
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 September 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 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.