Precision lens mounting
CA 1268366 C · Owner: Bacich, John J. · Inventors: Bacich, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A precision lens mounting assembly which includes a plurality of lens cells and a plurality of lenses which correspond to the plurality of lens cells. The lens cells have an annular shape. Flexure means are disposed within the inner diameter of the lens cell which hold the lens in a predetermined spatial relation at a datum temperature to the lens cell. The flexure means return the lenses to this predetermined spatial relation following temperature excursions away from, then back to, the datum temperature. The outer diameter of the lens cells in the assembly are all substantially equal and substantially concentric about the optical axis of the lenses they hold. The upper and lower surfaces …
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 May 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.