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Expired Canadian patentCanada

Apparatus and method for providing a wireless link between two local area network systems

CA 1281077 C · Owner: Liu, James J. · Inventors: Vacon, Gary V.; Liu, James J.

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Abstract From the Canadian patent

60412-1735, Abstract, In a data processing system network apparatus and, method are disclosed for coupling two local area networks by means of a wireless link. Typically, two local area network (LAN) systems are coupled by a bridge device the bridge device, receiving signal groups from each LAN system and selectively forwarding the signal groups to the target LAN system. In the presence of the overlapping (or simultaneous) transmission of signal groups applied to the target LAN system these signal, groups must be reapplied to the target LAN system until a nonoverlapping transmission is obtained. In the present invention when the LAN system are coupled by a wireless (radiation) link an …

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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 March 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 22, 1988
GrantedMarch 5, 1991
Term endedMarch 5, 2008
Patent numberCA 1281077 C
Classification (IPC)H04B7/15 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMarch 22, 1988Patent grantedMarch 5, 1991Term endedMarch 5, 2008

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