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Expired Canadian patentCanada

Apparatus for curing coatings on drawn optical fiber

CA 2106281 C · Owner: Larsen-Moss, Lisa Maren · Inventors: Pidgeon, Vernon Wesley Jr.; Larsen-Moss, Lisa Maren

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A curing apparatus (60) which is supported from a base plate (68) includes a housing (62) which includes guide members for holding a magnetron and one portion of an elliptical chamber (30) in which is disposed a longitudinally extending bulb (58). Outside the housing are triangular shaped gusset (82, 84, 86) plates which are adapted to mate with a pivotally moveable portion (95) in which is disposed a mating portion of the elliptical chamber (30) and a center tube (54) through which the drawn optical fiber (21) extends. An exhaust system (81) is supported from the gusset plates. Advantageously the pivotally moveable portion (95) may be opened pivotally to expose the center tube (54) and …

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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

  • Filed September 15, 1993 and granted February 4, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 15, 1993
GrantedFebruary 4, 1997
Term endedSeptember 15, 2013
Patent numberCA 2106281 C
Classification (IPC)B01J19/12 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedSep 15, 1993Patent grantedFeb 4, 1997Term endedSep 15, 2013

Sources & verification

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