Multi-band antenna using an electrically short cavity reflector
CA 2420814 A1 · Owner: M/A-Com Technology Solutions Holdings, Inc. · Inventors: Laubner, Thomas Sherman; Jordan, David Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compact, aesthetically pleasing, multi-band antenna for use in conjunction with communication, systems used in automotive applications comprising a radiating element , capable of operating in several frequency bands in combination with an electrically short reflector to provide superior gain, characteristics while shielding the interior of the automobile from exposure to high levels of radiated, signals.
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 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 4, 2025.
- 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.