Fiber optic coupler
CA 1258787 A · Owner: Hughes, Richard P. · Inventors: Vella, Paul J.; So, Vincent C.; Hughes, Richard P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A fiber optic coupler has a cylindrical rod protruding along the apex of an angled block. An optical waveguide is mounted to extend around part of the circumference of the rod. A transparent body is located on the side of the fiber remote from the rod and the, rod and the body are biased together to bend the fiber around the rod surface and to form an intimate contact between the transparent body and the curved part of the fiber. A light input or output device is positioned to direct light at or receive light from the curved fiber part through the transparent body. _ j
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 August 29, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 29, 2006.
- 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.