Wide exit electronic article surveillance antenna system
CA 2567453 C · Owner: Adt Services Gmbh · Inventors: Hall, Stewart E.; Farrell, William; Copeland, Richard L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic article surveillance (EAS) antenna system including at least one transmit antenna and at least one amorphous core receiver antenna adapted for installation on the floor, in the grout region of the floor or under the , flooring of a passageway. An EAS system including at least one perimeter loop antenna adapted to extend around the entire perimeter of a passageway is also provided. The system may further include at least one floor antenna adapted for installation within a region of a floor of a passageway and at least one ceiling antenna adapted for installation adjacent a ceiling of the passageway.
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 May 27, 2005 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 27, 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.