Song title ordering, downloading and playback system
CA 2250680 A1 · Owner: Campbell, Vern · Inventors: Campbell, Vern; Zurburg, Dean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The system includes a recording title selector for displaying available titles of, audio recordings and for generating an order request in response to user selection, input. The order request identifies the user and at least one title. The system further, includes authorization and billing means for receiving the order request and , sending, an authorization message to permit playback of the at least one title and a , data store, device for downloading and storing title files containing audio recording data corresponding to the at least one title. A playback control device is included for, controlling a playback of the audio recording data and outputting the audio recording, data to 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 October 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2020.
- 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.