Electronic id tag and co-operating antenna
CA 2587147 C · Owner: Grant Prideco, Inc. A Delaware Corporation · Inventors: Staff, Finn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic ID tag (2) for mounting in a body (18) in which at least the , identity of the body (18) is to be remotely readable the electronic ID tag , (2) including an identifiable chip (24) which is electrically connected to at least one adjacent antenna (26), the identifiable chip (24) being arranged to receive energy via the adjacent antenna (26) and by means of this energy to transmit, via the adjacent antenna (26) a signal including the identity of , the electronic ID tag to a distant antenna (1) and there being arranged, between the adjacent antenna (26) and the identifiable chip (24) and between the identifiable chip (24) and a ground-plane plate (28) impedance-matched …
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 October 10, 2005 and granted January 21, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 10, 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.