Composite optical fiber element for telecommunication cables
CA 1048827 A · Owner: Industrie Pirelli Societa Per Azioni · Inventors: Ferrentino, Antonio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite optical fiber element for telecommunication cables comprising an optical fiber with at least three metal filaments parallel thereto spaced therefrom and disposed therearound in planes intersecting the fiber and at substantially equal angles to each other. The optical fiber and the filaments are surrounded by and embedded in a synthetic thermoplastic resin material. Filaments of the same diameter are equally spaced from the optical fiber. Individual elements, or groups of such elements in a sheath, may be helically wound around a supporting core to form a telecommunication cable.
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
- Granted February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.