Expired Canadian patentCanada
Surgeon's headlight with continuously variable spot size
CA 1083114 A · Owner: Applied Fiberoptics, Inc. · Inventors: Kloots, Jacobus
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgeon's headlight utilizing an adjustable iris diaphragm to allow continuous variation of the diameter of the illuminated spot.
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 August 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 21, 1977
GrantedAugust 5, 1980
Term endedAugust 5, 1997
Patent numberCA 1083114 A
Classification (IPC)A61B1/06 +2 more
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.