Laser beam guiding fiber
CA 1323223 C · Owner: Kanazawa, Shin-Ichi · Inventors: Niwa, Shin-Ichiro; Sogawa, Ichiro; Yotsuya, Koro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A laser beam guiding fiber includes in a tip portion of an optical fiber, an oscillating member that oscillates the tip in a direction that intersects the axis of the fiber. This enables the fiber to irradiate over a wide range with a laser beam.
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
- Granted October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
- 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.