Fire detector
CA 1267708 C · Owner: Igarashi, Yoshinori · Inventors: Igarashi, Yoshinori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fire detector having a body comprising a cover part and a hood part and containing therein fire detecting means and electrical circuits, and a base detachably fastening the body by engaging means provided on them, respectively is disclosed, wherein in order to prevent the cover part from coming off the hood part due to shock, vibration, etc. possibly subjected thereto at the time of maintenance, inspection etc. of the, detector the cover part is provided on its upper surface with a plurality of vertically projecting posts each having at its upper end a hook member, the hood part being provided on its top wall with a corresponding number of openings each having an engaging portion formed …
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 April 10, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2007.
- 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.