Chemical solution dispensing and handling system
CA 2075917 C · Owner: Copeland, James L. · Inventors: Burch, Wendell D.; Copeland, James L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dispensing and handling system for solutions is disclosed. The system includes a container (11) for mixing storing and, dispensing a use solution (44) through a spigot (17). The container (11) is mounted upon a cart (12) and is interconnected to a, water supply conduit (16) and a concentrate solution tube (14). The concentrate solution (15) is contained within containers or bags (13). An aspirator (26) is permanently mounted within the storage container (11). The water conduit (16) and pick-up tube (14) are releasably connected to the storage container (11) by means of a quick-connect assembly (35). Also disclosed is a method for storing and handling solutions.
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 January 15, 1991 and granted May 4, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 15, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 2013.
- 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.