Material dispensing system
CA 2248566 A1 · Owner: Hewett, Frank W. · Inventors: Hewett, Frank W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-functional material dispensing system comprising in general a container, a discharge unit for discharging material and a support frame to hold the container and discharge unit upright. The container and discharge unit are removably attached to the support frame. A disposable filling device, in the form of a flexible funnel is removably, attached to the container. Flow control is metered through the discharge unit by opening a clamping device varied amounts. A gripper allows the container to be closed when the container is not on the support frame. An auxiliary support is also provided having a holder for the filling device a, cleaning unit, a holder for the cleaning unit and holders …
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 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2020.
- 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.