Cartridge for dispensing liquid compositions
CA 2361747 A1 · Owner: Horn, John M. · Inventors: Horn, John M.; Martin, Thomas W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dispensing cartridge (10) especially suitable for use with a hand-held applicator (30) for dispensing liquids having a relatively low viscosity has a chamber (14) and at least one compressible porous material (24) received in , the chamber (14). Each of the porous materials (24) receives a quantity of a liquid composition. As a piston is advanced in the chamber (14) each porous , material (24) is compressed to cause the composition or compositions to be discharged through an outlet opening (18).
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 June 4, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2021.
- 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.