Led-based inspection lamp with improved collimation optics
CA 2634475 C · Owner: Cliplight Holdings, Ltd. · Inventors: Klipstein, Donald L.; Brass, Jack
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
LED lamp has LEDs aimed rearwards with either a concave mirror to the rear of each LED or one concave mirror to the rear of two or more LEDs collecting the light from the LEDs to form a forward projecting beam. LEDs may be high power types that require heatsinking. LED lamp may have a lens forward of each LED to collimate the radiation produced by the LEDs into a beam where at least one lens has at least one aspheric curved surface. LED lamp may have a transparent reflective optic to collimate the radiation produced by each LED into a beam. For an inspection lamp the LEDs typically have a peak wavelength of 395 to 415 naometers for seeing the area being irradiated but not so visible as to …
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 July 6, 2004 and granted May 20, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2026.
- 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.