Methods of fabricating flexible guides for infra-red energy
CA 1307685 C · Owner: Medical Laser Unit Of Heriot-Watt University · Inventors: Smith, George Raymond; Colles, Michael John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods of Fabricating Flexible Guides For Infra-Red Energy A method of manufacturing apparatus for guiding infra-red light, comprising providing a tube of material capable of guiding infra-red light, enveloping the tube in a flexible sleeve so that the sleeve fits tightly around the tube thereafter severing the tube at spaced intervals along its length without severing the sleeve, and aligning a severed length of the tube at such an angle to an adjacent length as to allow passage of a beam of infra-red light from one to the other.
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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 2009.
- 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.