Localized removal of a precious metal inlay from a metal strip and a broaching tool therefor
CA 1257497 A · Owner: Northern Telecom Limited · Inventors: Mattison, George F. Jr.; Hart, Marshall; Barnhouse, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, In the manufacture of terminals a stripe of precious, metal is inlayed into a strip of metal from which terminals are formed. The precious metal is only required at the localities at which dimpled contact areas are to be formed. The invention provides for the removal of the inlay at spaced apart localities. A tool is moved laterally across the metal strip the tool having one or more, cutting edges. The cutting edges are inserted into the strip on one side of the stripe, traverses across, cutting the stripe and then, exits from the strip on the other side of the stripe. The tool returns to its original position.
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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 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 18, 2006.
- 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.