System and method of applying messages to electronic price labels
CA 2274438 A1 · Owner: Goodwin, John C. Iii · Inventors: Goodwin, John C. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method of applying messages to electronic price labels which uses a price look-up file reader to obtain a promotional index from a price look-up file and which uses the promotional index to identify a promotional message in a promotional message definition file. The system includes a computer which maintains a first data file containing item identifiers for items associated with electronic price labels which obtains promotional indices for the items from a second data file containing prices of the items which compares the, promotional indices to promotional indices stored within a third data file to obtain promotional messages from the third data file, and which transmits …
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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 June 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 2021.
- 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.