Binocular and spectacle-type mounting assembly therefor
CA 1214343 A · Owner: Beecher, William J. · Inventors: Beecher, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A binocular includes a pair of telescopes each having a hollow body shell, a plurality of mirrors in the shell and arranged to provide a folded light path therethrough eyepiece, and objective barrels mounted on the shell and having respectively, eyepiece and objective lenses therein and disposed at opposite ends of the Light path, such mirrors being ovally shaped and sized substantially to conform to the respective cross sections thereat of the light bundle transmitted by the objective lenses, the shell defining an internal arcuate mirror rim-receiving surface for each of the mirrors and a portion of, the rim only of each mirror being adhesively secured to the receiving surface therefor by …
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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
- Granted November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
- 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.