A tamper indicating radio frequency identification label with tracking capability
CA 2429374 A1 · Owner: Mikoh Corporation · Inventors: Atherton, Peter S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tamper indicating label (100) is provided. The label may include RFID components (401, 402) and a tamper track (102) coupled to the RFID components. The tamper track should be constructed from a destructible conducting path. Additionally, the tamper track can be formed such that it is damaged when the label is tampered. In one embodiment, adhesion characteristics (103) of the tamper track are adapted to break apart the tamper track when the label is tampered, for example, by removal from an object. The RFID components may retain their RF capability and detect when the tamper track has been damaged to indicate that the label has been tampered. Alternatively the RFID , capability of …
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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
- Filed November 15, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2023.
- 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
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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.