Printer with read-after-write print quality checking
CA 2090611 A1 · Owner: Gilmore, Mark J. · Inventors: Falso, Vincent P.; Gilmore, Mark J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A printer for forms such as lottery entry tickets has a print forming device which places both alphanumeric characters and machine scannable characters on a form responsive to input data. The print forming device or the form is moved during printing so, as to form successive characters. A scanner for reading the machine scannable characters previously printed by the print forming device is mounted such that the scanner views characters formed by the printer. The output data of the scanner is compared to data stored in memory representing the previously printed scannable characters. An error in the scanned code as compared to the stored data is interpreted as a …
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 July 29, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2014.
- 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.