Apparatus for illuminating an environment which operates below normal ambient temperature
CA 1301730 C · Owner: Bennett, Derek N. · Inventors: Bennett, Derek N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for illuminating an environment which operates below normal ambient temperature comprising one or, more strands of fibre optic light transmitters which extend from within the environment to a point outside it a light, emitting first part of each fibre optic being location within said environment, and means for delivering light into a second part of said fibre optic strand or strands outside said environment.
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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.