Read and erase device
CA 1208354 A · Owner: Mainmet Limited · Inventors: Easterby, Robert W.; Anderson, Alan F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Read and Erase Device, This invention relates to a device adapted to read and erase magnetically encoded information on a ticket or card. A compact self-contained device is provided for attachment to a local utility meter (e.g. electricity meter) or a gas meter. The device comprises a compact casing 10 which is attached to an electrical drive motor 11 which, via roller 9, drives a drive roller 13. The casing 10 includes an entry mouth 18 which lads to a flow path 19 passing between the drive roller 13 and a pinch roller 15 and terminating in an exit mouth 20. Adjacent the entry mouth 18 are sensors 21 adapted to, energise the motor 11 when a card is pushed into the entry mouth 18. Similarly …
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 July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.