Acquiring measurements of an object by means of photography
CA 1237888 A · Owner: Landwehr, Ulrich M. · Inventors: Landwehr, Ulrich M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
LDW/J896-s, ACQUIRING MEASUREMENTS OF AN OBJECT BY MEANS OF PHOTOGRAPHY ABSTRACT OF THE DISCLOSURE, The dimensions of an object are acquired photographically under utilization of a measuring raster to, be imaged in addition to a projected horizontal line raster either by placing a raster containing plate next to the imaging plane of the camera, or by projecting a measuring raster into the camera laterally, under utilization of a semi-transparent mirror.
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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.