Fire extinguishing plant for three extinguishing agents
CA 2000422 A1 · Owner: Solheim, Odd · Inventors: Solheim, Odd; Solheim, Odd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, Fire extinguishing plant for three extinguishing agents water, powder-mixed water and heavy foam comprising water, supply conduits (4, 5 6) from a source of pressurized water, to a number of spraying nozzles (2 3), and wherein there to, the water supply conduits (4 5, 6) being provided an inlet, (7) for admizing foam agent. Moreover to each nozzle (2, 3), there being provided supply conduits (9 10, 11) for a non-, combustible gas, said conduits having a device (13) for admixing fire extinguishing powder into the gas. The supply conduits for the non-combustible gas have a non-return valve (28) adjacent the outlet; there being provided a bypass conduit (14) in the gas supply …
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 October 11, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 11, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 11, 2011.
- 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.