Self-locking heat sinks for surface mount devices
CA 2129336 C · Owner: Kuzmin, Gary F. · Inventors: Kuzmin, Gary F.; Soule, Christopher A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A structure for attaching a heat sink to an electronic package comprising a pin (10) having a compressible point (16) the, point being adapted to pass through aligned holes in a heat sink (40) and a printed circuit board (60) so that the point compresses as it passes into two holes and flexes back to an expanded position after it exits the printed circuit board hole opposite the heat sink thereby holding the heat sink to the board with the electronic package (50) therebetween.
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 February 25, 1993 and granted May 5, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 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.