Optical fibre fusion splice
CA 2043036 A1 · Owner: Grigsby, Richard · Inventors: Grigsby, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
When effecting a fusion splice between two optical fibres, end parts of the two fibres are introduced transversely into opposite ends of an open-ended channel in a surface of a rigid elongate support member having at a position intermediate of its ends and in the surface a transversely extending open-ended slot for temporarily accommodating the electrodes by which fusion splicing is to be effected. After fusion splicing of the fibres and withdrawal of the electrodes any space, in the channel not occupied by the fusion spliced fibres and the transversely extending slot are filled with a curable material which is permitted or caused to set. A preformed elongate lid is secured to the surface …
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
- Filed May 22, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 22, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2013.
- 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.