Deactivation for magnetomechanical marker used in electronic article surveillance
CA 2575205 C · Owner: Adt Services Gmbh · Inventors: Morgado, Eugenio; Liu, Nen-Chin; Patterson, Hubert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A marker for use in a magnetomechanical electronic article surveillance system is described. The EAS marker includes at least one resonator a housing , configured to provide a cavity for vibration of the at least one resonator a , first, magnetized, biasing element configured to provide a biasing magnetic field for the at least one resonator, and a second non-magnetized, biasing , element.
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 August 5, 2005 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 5, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.