Microwave radiation method and apparatus with a combined diffraction edge and radiation screen
CA 1078498 A · Owner: Tull Aviation Corporation · Inventors: Toman, Donald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, In a directional microwave signal radiation system low angle radiation problems are dealt with by inserting a combined diffraction edge and radiation screen in the lower portion of the radiation field to provide a diffraction pattern of radiation at low and negative radiation angles beyond the diffraction edge.
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
- Granted May 27, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 1997.
- 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.