Magnifying display device
CA 2072427 A1 · Owner: Neitz Instruments Co. Ltd. · Inventors: Ohashi, Seiichi; Nagayama, Sanyo; Taguchi, Toshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A magnifying display device which is constituted to be portable in part except for a monitor TV which has reading, means capable of always keeping a fixed distance up to the reading surface of a document regardless of a thickness of the document to be read, and further which makes the light illuminated and then reflected by the document surface less likely to enter eyes of a user. An upper frame on which reading means such as TV camera is mounted and which is substantially rectangular in a plan view and a document rest on which a document to be read is placed and which is substantially rectangular in a plan view are supported through leg members such that the frame and the rest are …
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 June 26, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2014.
- 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.