Circuit card assembly
CA 2112916 C · Owner: American Telephone And Telegraph Company · Inventors: Nordin, Ronald Alex
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plug-in circuit card assembly for mounting high power electrical and optical components. The apparatus comprises a printed wiring circuit mounting high power electrical and optical components and connectors with conducting paths interconnecting the components and ones of the components with the connectors. The assembly has a structure attached to the printed wiring circuit with a heat sink formed at one end and having a pair of plates extending outward therefrom. One plate mounts a plurality of high thermal conducting pedestals each engaging corresponding ones of the components. Vent tubes are positioned between the plates with each vent tube having one end engaging one of the pedestals …
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 January 6, 1994 and granted December 2, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 6, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 6, 2016.
- 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.