Two-sided reflector and two-sided target object
CA 2623979 C · Owner: Hinderling, Juerg · Inventors: Schorr, Christian; Hinderling, Juerg; Wiebking, Mirko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two-sided reflector (1', 1'') for the reflection of a diffraction-limited optical beam bundle is embodied according to the invention such that a planar first and second reflection element such as for example, a reflection film , and a cat's eye reflector (3) are arranged with respect to a reference axis (RA) of the reflector in such a way that an absolute addition constant of zero results from the targeted choice of the properties of the first and second reflection element and the arrangement thereof with respect to the reference axis (RA) for a distance measurement. The distance measurement therefore essentially corresponds to a distance measurement on a natural surface. The …
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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 September 18, 2006 and granted February 11, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 18, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.