Dilute solution apparatus
CA 1113843 A · Owner: Polysar Limited · Inventors: Hulme, Joseph M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus is provided for the preparation of a dilute solution of a sample of a fluid comprising a valve means communicating with a dilution mean a line to the, dilution means to supply diluent thereto from a reservoir a, line in communication with the valve means to remove diluted sample from the dilution means through the valve means a, line in communication with the dilution means having a valve for connection to a supply of compressed gas thereto or for connection to atmospheric pressure flow control means to control flow of diluent from the reservoir to the dilution means, and control means for controlling operation of the valve means, the valve and the flow control means. 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
- Granted December 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 1998.
- 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.