Tunable devices incorporating cacu3 ti4 o12
CA 2404407 A1 · Owner: Li, Dong · Inventors: Subramanian, Munirpallam Appador; Li, Dong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides tunable devices incorporating the dielectric CaCu~3Ti~4O~12. CaCu~3Ti~4O~12 is especially useful in tunable devices such as phase shifters, matching networks, oscillators filters, resonators, and , antennas comprising interdigital and trilayer capacitors coplanar waveguides , and microstrips.
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 May 3, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 3, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 3, 2023.
- 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.