Dip tube and container
CA 2497893 A1 · Owner: Laidler, Keith · Inventors: Rodd, Timothy; Laidler, Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a device that is adapted to be placed inside a container and to permit the continuous dispensing of a liquid stored in a container by enabling the fluid to be drawn from the interior of the container into the device and from the device to the outlet of the container. The device of the present invention has a body which defines an internal chamber (102) an inlet (103) through which liquid may be drawn into said chamber (102) and , an outlet (105) through which liquid can be drawn out of said chamber (102). The inlet (103) of the device is adapted to at least restrict the access of liquid to said chamber at least when said device is inverted from an …
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 8, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 8, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 8, 2025.
- 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.