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Expired Canadian patentCanada

Telephone system adapted to telemarketing

CA 1262484 C · Owner: Vij, Jagdish Chandera · Inventors: Steierman, Herbert Lawrence; Vij, Jagdish Chandera

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Abstract of the Disclosure, In a merchandising business wherein telephone subscribers' responses are solicited by various commercial advertisements via the television and/or radio media merchandising, agents receive such telephone responses in order to accept requests for goods and services and to expedite deliveries and billings. A telephone system is disclosed wherein a portion of a direct dialled number associated with an advertised product is forwarded to an information server. The information server provides information about the product, such information being displayable at a data display terminal adjacent a merchandising agent's position. In the case where a group of merchandising …

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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 October 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 7, 1987
GrantedOctober 24, 1989
Term endedOctober 24, 2006
Patent numberCA 1262484 C
Classification (IPC)H04J3/12 +2 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedApril 7, 1987Patent grantedOct 24, 1989Term endedOct 24, 2006

Sources & verification

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