Card conveyance control method and apparatus
CA 2199207 C · Owner: Kojima, Susumu · Inventors: Kimura, Yasuyuki; Kojima, Susumu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A card conveyance control method and apparatus that allow a card held by a plurality of conveying rollers to be conveyed and securely mounted at the proper position on a conveying platform. The conveying rollers of the first conveyer unit, which holds and conveys an optical card, are rotated in the conveying direction of the optical card, and the card conveying platform of the second conveyer unit is moved in the direction of the first conveyer unit so as to press the leading edge of the optical card conveyed from the first conveyer unit against the back edge of the conveying platform; the conveying platform of the second conveyer unit is then moved in the opposite direction from the first …
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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 March 5, 1997 and granted September 28, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 5, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2019.
- 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.