Signal transmission antenna mast
CA 2300829 C · Owner: Combilent Usa, Inc. · Inventors: Kaegebein, Daniel P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ridged coaxial transmission line assembly including a plurality of parallel transmission paths is fabricated from an extrusion incorporating a plurality of slotted, longitudinal bores (11) provided with centrally located conductors (13) held in position by insulating stand-offs (14) provides a structure performing the dual functions of electrically integral antenna mast and transmission line for a linear array of antenna elements supported by the mast.
Read the whole patent
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 March 30, 1998 and granted January 22, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.