Method and apparatus for target reactivation
CA 1256487 A · Owner: Knogo Corporation · Inventors: Cooper, Michael N.; Pokalsky, Peter A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A target reactivator for reactivating elongated magnetic targets used in theft detection systems and which have been deactivated by a pattern of spaced apart alternate magnetic fields emanating from a deactivation element of magnetically hard low permeability material lying adjacent and extending continuously along the target and affixed with the target to an object being protected by the target. The reactivator comprises a magnet and a holder supporting the magnet, the holder being configured to be guided along the object in a direction along the length of the target with the poles of the magnet extending along the length of the target whereby the deactivation element becomes subjected to …
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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 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 27, 2006.
- 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.