Optical module and manufacturing method therefor
CA 2103145 C · Owner: Oikawa, Yoichi · Inventors: Oikawa, Yoichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In optically coupling an optical fiber (8) inserted and fixed in a ferrule (10) to an optical device (12) provided in a housing (4), each part is mutually fixed by using a main ring (16) and a rein forcement ring (18), and a fixing point between the reinforcement ring (18) and the main ring (16) is positioned outside of a fixing point between the ferrule (10) and the main ring (16). With this constitution, the mechanical strength of an optical module can be improved, and the size of the optical module can be reduced.
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 September 24, 1992 and granted January 28, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2014.
- 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.