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Expired Canadian patentCanada

Hf data communications system with network management

CA 1308442 C · Owner: Bae Systems (Defence Systems) Limited · Inventors: Goodwin, Robert James

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 of network management for a radio communications network comprising a plurality of stations each of which includes a transceiver and control means therefor the transceiver and control, means of the respctive stations being substantially similar and the, stations being arranged to communicate directly with any other station, the method comprising:, assigning at least one control channel of predetermined frequency to the network for transmitting network control signals between the stations;, assigning to each station which may assume control a ranking position in a priority list of stations which may assume control of the network;, each station monitoring the control channel or …

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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 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 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.
FiledNovember 27, 1987
GrantedOctober 6, 1992
Term endedOctober 6, 2009
Patent numberCA 1308442 C
Classification (IPC)H04L1/12 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 27, 1987Patent grantedOct 6, 1992Term endedOct 6, 2009

Sources & verification

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