Flexible overhead electric conductor
CA 1267008 C · Owner: Bicc Public Limited Company · Inventors: Cooke, Edward Ingram
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible overhead electric conductor incorporating a least one optical fibre and/or optical bundle has throughout its length at least one elongate compartment in which an optical fibre element is loosely housed. The optical fibre element comprises a tube of polymeric material capable of withstanding indefinitely exposure to a temperature lying in the range 170°C to 190°C without deterioration of its mechanical properties to an undesirable extent, a separate optical fibre and/or optical bundle loosely housed in the bore of the tube and, filling the space between the optical fibre and/or optical bundle and the internal surface of the tube throughout the length of the optical fibre element a …
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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 March 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2007.
- 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.