High power waveguide switch and method
CA 2095455 A1 · Owner: Morgen, Robert · Inventors: Morgen, Robert; Levinson, David S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mechanism (100) for fixing the relative position of two members including a first member (104) having a first coefficient of thermal expansion and a second member (102) positioned adjacent to the first member and having a second coefficient of thermal expansion. The first member (104) is adapted to receive thermal energy. The first and second members are mounted for relative motion therebetween at a first temperature and are in contact at a relative fixed position at a second temperature. In a specific embodiment, a microwave control valve (100) for use in a waveguide is disclosed and includes a housing (104) having a first coefficient of thermal expansion and a first plurality of housing …
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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 May 4, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 4, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 4, 2015.
- 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.