Magnetic sensing proximity detector
CA 1304469 C · Owner: Cooper Industries, Inc. · Inventors: Baker, Gerald S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The improved magnetic proximity detector of the present invention includes a tubular housing a tubular, magnet fixed in position within the housing a first, movable magnet within said housing at one end of said tubular magnet, a second movable magnet within the housing at the other and of the tubular magnet an annular magnet, position in surrounding relationship to the housing means, for adjusting the position of the annular magnet axially with respect to said housing, means connecting the first movable magnet and the second movable magnet a switch, including a blade, a first contact and a second contact means connecting said first and second movable magnets to said blade so that movement …
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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 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
- 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.