A pumping apparatus including a quick connect interface
CA 2228501 C · Owner: Durham, Samuel · Inventors: Guy, Thomas L. Iii; Durham, Samuel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pump includes a quick connect interface (10) that attaches to any drink dispenser to allow the mounting of the pump without the necessity of connection devices such as threaded fittings and/or clamps. The quick connect interface includes a housing (11) having an inlet port (12) and an outlet port (13). Both the inlet and the outlet ports include a flow regulator that prevents the flow of product from the quick connect interface when the pump is removed. The housing also has a gas port (14) that connects to a gas source to deliver gas into the pump. The gas port includes a flow regulator that prevents the escape of gas from the source when the pump is removed. Additionally, the …
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 9, 1995 and granted May 1, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 9, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 2017.
- 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.