Remote identification of objects
CA 1195759 A · Owner: Australian Meat And Live-Stock Corporation · Inventors: Mcintosh, Alexander I.; Bosshard, Robert G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic system for the remote identification of objects such as livestock comprising a transponder having a predetermined code stored therein positioned on the object to be identified, and an interrogator for remotely interrogating said transponder; the transponder has comparator means for comparing the decoded VHF signal from the interrogator with a stored code wherein a valid comparison initiates the transmission of a return signal which actuates an automatic direction finder (ADF) in the interrogator.
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
- Granted October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- 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.