Geodesic measuring instrument with a piezo drive
CA 2574630 C · Owner: Leica Geosystems Ag · Inventors: Haele, Anton; Herbst, Christoph; Bernhard, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a geodesic measuring instrument (4) with a fixing device (8) for positioning the measuring instrument (4) and with a measuring component (7) having an optical beam path for surveying a target whereby the measuring , components (7) are mounted in an aligning component (5) that can be moved relative to the fixing device (8), and can be moved relative to the aligning component (5), an optical beam path is modified by at least one piezoelectric micromotor (1b, 1c).
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 22, 2005 and granted December 16, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 22, 2025.
- 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.