Protective plug for connector banks of telecommunication and data systems
CA 2012870 C · Owner: Krone Aktiengesellschaft · Inventors: Hegner, Gunter; Achtnig, Klaus-Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A protective plug for connector banks is used in telecommunication and data systems, and includes a housing for receiving protective elements connected to establish an electrical connection to an earth rail with a disconnecter contact to a bifurcated contact provided on a plug tongue, respectively. The disconnecter contact is provided with terminal contacts for incoming and outgoing cable conductors. In order to provide a protective plug which protects against overvoltages and also serves as a fuse against overcurrents and for which the outside dimensions allow a close-fit construction of several protective plugs, the plug tongue is a printedcircuit board extending into the housing such …
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 March 22, 1990 and granted March 5, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 22, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2012.
- 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.