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Expired Canadian patentCanada

Optical waveguide connector

CA 1053491 A · Owner: Corning Glass Works · Inventors: Hawk, Robert M.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure An optical fiber connector comprising a first resilient member having an elongated V-shaped groove in the surface thereof into which two fibers to be optically connected are disposed end-to-end. A second resilient member is urged against that portion of the fibers opposite the first member thereby causing a slight deformation of the second member and the slot-forming walls. The substantial equilibrium of forces applied to the two fibers by the resilient members causes their axes to become aligned. The preferred embodiment is capable of connecting corresponding fibers of two bundles and also includes means for positioning the endfaces of the fibers of one bundle in …

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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 May 1, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 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.
Filed—
GrantedMay 1, 1979
Term endedMay 1, 1996
Patent numberCA 1053491 A
Classification (IPC)G02B6/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMay 1, 1979Term endedMay 1, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.