Optical fiber cutter
CA 2309736 A1 · Owner: Kazama, Junichi · Inventors: Kazama, Junichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical fiber cutter, comprising a blade (2) capable of applying a scratch to the outer peripheral surface of an optical fiber (1) and a pusher (3) pushing the optical fiber (1) to break it at the scratched part wherein it , further comprises a reverse-running prevention mechanism which prevents the blade (2) which was moved directly and gave scratch to the optical fiber (1) from being directly moved reversely and giving scratch again to the optical fiber (1), the reverse-running prevention mechanism comprises a cam (4) moved directly in connection with the blade (2) and a cam follower (6) being in contact with the cam (4) and capable of directly moving the pusher (3) and , the …
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 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 9, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 2021.
- 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.