Optical fiber cable
CA 1284901 C · Owner: Arroyo, Candido John · Inventors: Arroyo, Candido John; Ellis, Benjamin Clement, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical fiber cable includes a fluted strength member core which comprises a plurality of ribs extending radially from a center portion and a plurality of grooves each groove being disposed between two adjacent ribs. The fluted core is such that the ratio of the diameter of a circle which passes through an outermost surface of each rib to the diameter of a circle through the inverts of the grooves is at least a predetermined value and cooperates with a reference width of each rib to allow a plurality of optical fibers to be disposed in each groove. Further, the geometry of the fluted core is such that the optical fibers are capable of longitudinal and lateral movement in the grooves. 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 June 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2008.
- 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.