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Expired Canadian patentCanada

Antenna assembly and associated method for radio communication device

CA 2240047 C · Owner: Anderson, Soeren · Inventors: Johannisson, Bjoern; Forssen, Ulf; Anderson, Soeren

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

An antenna assembly (18), and an associated method which exhibits a selected , antenna beam configuration (44). The direction of a primary lobe (46) and of a (48) is selected to improve the signal-to-noise and signal-tointerference ratios of communication signals transmitted between two communication stations. When implemented to form a portion of a base station (14) of a cellular communication system (10) the traffic capacity of the , communication system (10) can be increased and the infrastructure costs of the system can be reduced.

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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

  • Filed November 22, 1996 and granted October 14, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 22, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2018.
  • 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 22, 1996
GrantedOctober 14, 2003
Term endedNovember 22, 2016
Patent numberCA 2240047 C
Classification (IPC)H01Q3/40 +1 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedNov 22, 1996Patent grantedOct 14, 2003Term endedNov 22, 2016

Sources & verification

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