Powder discharge apparatus
CA 1319654 C · Owner: Santa Barbara Research Center · Inventors: Kern, Mark T.; Heath, Richard C.; Streater, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for the discharge of powder by a fluidic propellant is suitable for use as a fire extinguisher the apparatus including a container wherein powder and propellant is pressurized prior to use of the apparatus. Discharge of the powder and the propellant from the. container is accomplished by means of a diaphragm in a wall of the container, there being a gas generator contained within a well of the container for providing an overpressure which, in combination with the pressure to which the propellant has been charged fractures the diaphragm, Thereupon, the propellant and the powder exits the container in a homogeneous stream The overpressure is less than approximately 30 per cent …
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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 June 29, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 29, 2010.
- 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.