Metal-enclosed, pressurized gas-insulated high-voltage switching installation with insulated grounding switch
CA 1329234 C · Owner: Lorenz, Dieter · Inventors: Haarhuis, Jurgen; Lorenz, Dieter; Funk, Karl-Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Translation), Metal-enclosed, pressurized gas-insulated high-voltage switching installation with insulated grounding switch Abstract:, 1. A metal-enclosed, pressurized gas-insulated highvoltage switching installation with an insulated grounding switch. 2.1. Insulated grounding switches (3) are also used in pressurized gas-insulated high-voltage switching installations to apply test voltages. For this reason a ring (13) of insulating material is provided between the housing (6) and the enclosure (1), a conductor (14) with a connecting lug (15) which is in con-, tact with the actuating bolt (5) being embedded in this ring. 2.2. To improve the insulation the ring (13) of insu-, lating material …
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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.