Thick film microwave coupler
CA 1323914 C · Owner: Hughes Aircraft Company · Inventors: Cisco, Terry C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microwave coupler including a first transmission line having one or more strip sections and a second, transmission line having one or more strip sections respectively associated with corresponding sections of the first transmission so as to form associated pairs of coupled strip sections. The associated coupled strip sections are substantially uniformly separated from each other and non-coplanar. Dielectric material dielectrically separates the associated strip sections of the first and second transmission lines.
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 November 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
- 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.