Printer with improved data entry
CA 2005569 C · Owner: Schaeffer, Patricia Ann · Inventors: Schaeffer, Patricia Ann; Fidler, Thomas D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A printer is shown which employs an improved data entry technique wherein a predetermined set up time is established for entering semi-fixed information that is, information which changes but relatively infrequently. A bit map image of the semi-fixed information is created only once after the printer is initialized so that only a bit map image of variable information need be created each time the printer is operated to print. The printer further includes a limited keyboard for the generation of control signals to which the printer's processor responds differently depending upon the mode of operation of the printer. In one mode of operation the printer's processor is, responsive to the …
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 December 14, 1989 and granted May 25, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 14, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 14, 2011.
- 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.