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Expired Canadian patentCanada

Method and system for remote reporting, particularly for pay television billing

CA 1216056 A · Owner: Lull, John M. · Inventors: Lull, John M.; Block, Robert S.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and system for providing subscription services, particularly subscription television services, involving transmissions from a remote location to a subscriber location for which payment is required for access. A cost signal containing a cost or charge associated with the transmissions is transmitted from the remote location, and a credit preferably is stored at the subscriber location. The magnitude of the charge contained in the cost signal is compared with the magnitude of the stored credit although it need not be if cost is accumulated as in one disclosed embodiment, and access by the subscriber to the transmissions associated with the cost signal is enabled in response to the …

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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

  • Granted December 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 10, 1983
GrantedDecember 30, 1986
Term endedDecember 30, 2003
Patent numberCA 1216056 A
Classification (IPC)G06Q20/00 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 10, 1983Patent grantedDec 30, 1986Term endedDec 30, 2003

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.