Fiber optic coupling assembly
CA 2127489 A1 · Owner: Gieryng, Jan Zbigniew · Inventors: Gieryng, Jan Zbigniew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical transmission device for use on an apparatus for disposing a sleeve in encircling relation on an article unit is disclosed. Signals are sent and received between two data handling devices monitoring the machine. The first data handling device is positioned on a rotating portion of the apparatus and the second data handling device is positioned on another portion of the apparatus independent of the rotating portion. The optical transmission device comprises a first optical fiber element attached at a first end to the first rotating data handling device. The first element has an inner and an outer portion wherein the inner and outer portions are concentric. A second optical fiber …
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 July 6, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 6, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2016.
- 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.