Expired Canadian patentCanada
Tantalum capacitor lead wire
CA 1286373 C · Owner: Composite Materials Technology Inc. · Inventors: Wong, James
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tantalum lead wire for capacitors having improved grain growth characteristics is disclosed. The lead preferably comprises a Niobium core having a surface consisting of many discrete layers of Tantalum surrounding the Niobium.
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 July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 31, 1987
GrantedJuly 16, 1991
Term endedJuly 16, 2008
Patent numberCA 1286373 C
Classification (IPC)H01G13/00 +2 more
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.