Inverted dispenser
CA 2000501 C · Owner: Appleby, Paul · Inventors: Moscovitch, Jerry N.; Appleby, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand holdable, flexible dispensing container of low cost construction, generally of plastic for the, dispensing of fluent, generally viscid materials has a, base portion on which the container is free standing and, a valved dispensing outlet located on a lower side face of the container, in underhung relation adjacent to the base to permit downward dispensing of selected quantities of the contents without inversion of the container. The container incorporates a valve permitting self-venting pressure balance. The container content is always located in the lower part of the container for immediate dispensing, by squeezing of the container walls making, possible the dispensing of …
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 October 11, 1989 and granted December 3, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 11, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 11, 2011.
- 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.