Multi-cavity dispensing container
CA 2264073 A1 · Owner: Gentile, James Louis · Inventors: Gentile, James Louis; Eimer, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-cavity dispensing container is provided for the coextrusion of at least two flowable materials. The container includes a refill cartridge (2) and a reusable base (4). The cartridge contains a pair of separate parallel cylinders (16) within which are carried the flowable materials. At a lower end of each cylinder (16) is a piston head (26). The lower surface of the piston head (26) is configured as a hollow recess (38). The reusable base (4) is formed with a pair of separate parallel piston support posts (32). These posts (32) are characterized by a central hub (34) surrounded with at least two outwardly projecting arms (36). Tops of the posts (32) can readily engage within …
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 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 20, 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.