Electronic ticket system
CA 2403208 A1 · Owner: Pia Corporation · Inventors: Yanai, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic ticket system comprising a data communication terminal (10) having a record medium (28) where information on the right of a ticket is writable, a ticket sale center (12) which is connected to the data communication term (10) through communication means (16) and at which the ticket right information is written on the record medium (28) an entrance , managing terminal (14) for authenticating the ticket right information when an entrant carrying the record medium where the ticket right information has been written passes so as to judge if the entrant can enter whereby an application , of ticket purchase to the ticket sale center (12) through the data communication terminal …
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 March 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 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
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.