Methods of managing the transfer and use of data
CA 2449702 A1 · Owner: 3M Innovative Properties Company · Inventors: Morel, Diane E.; Sevcik, Paul A.; Grunes, Mitchell B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Certain improvements related to the transfer and use of information are disclosed, including a the transfer of information from an existing database to a database used in conjunction with an RFID device of the type that may be used to interrogate RFID tags associated with items associated with entries in the existing database.
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 June 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 5, 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.