Automatically fire-extinguishing system
CA 1059875 A · Owner: Security Patrols Co. · Inventors: Iida, Makoto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an automatic fire-extinguishing system comprising one or more portable automatic fire-extinguishers placed at desired locations within a region wherein automatic extinguishment should be effected when a fire occurs therein. Each of the fire-extinguishers includes integrally a bomb containing a fire-extinguishing gas under a pressure condition and a gas jetting nozzle connected through a valve to the bomb. At least one fire sensor is arranged at a desired location within the region. Each fire extinguisher is provided with an electro-mechanical means for opening the valve, an electrical means for actuating the opening means and an internal gas pressure detecting switch and; an, …
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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 August 7, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 7, 1996.
- 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.