Electrical contact element
CA 2096103 A1 · Owner: Herklotz, Gunter · Inventors: Herklotz, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, The invention relates to an electrical contact element having a core part made of an iron/nickel alloy and having a gold/tin alloy, which is applied to a portion of the core part and which serves as a soldered connection with a tin content of from approximately 10 to approximately 40 % by weight in which, between the core part and the gold/tin alloy, an adhesive layer is disposed on the surface of the core part. In order to provide a material for the adhesive layer which while, ensuring approximately identical electrical and physical/chemical properties, is cheaper than gold and at the same time, like gold, prevents the uncontrolled running of the gold/tin alloy on the …
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 12, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 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.