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Expired Canadian patentCanada

Scanning receiver for nationwide radio paging system

CA 1304134 C · Owner: Skomer, Robert M. · Inventors: Di Noto, Thomas D.; Batson, Bartus H.; Macleod, John B.

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

A scanning radio receiver for a wide area paging system which interconnects conventional radio common carriers (RCC) for broadcasting page information. A plurality of RCC's in each geographical area served by the paging system of the invention are connected to a local page processor. The local page processor processes incoming page information find transfers the information to an available RCC for broadcast in the local area. If broadcast of the page information is also desired in a remote geographical area a copy, of the page information is transferred to a central page processor for distribution to the selected remote geographical area for broadcast. The paging receiver is designed so …

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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 June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 7, 1986
GrantedJune 23, 1992
Term endedJune 23, 2009
Patent numberCA 1304134 C
Classification (IPC)H04B1/16 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 7, 1986Patent grantedJune 23, 1992Term endedJune 23, 2009

Sources & verification

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