Ophthalmic instrument
CA 2092746 A1 · Owner: Zaleski, Edward R. · Inventors: Zaleski, Edward R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ophthalmic instrument comprising an elongated tube having proximal and distal end portions a distal end and, an elongated passage opening at a distal opening at the distal end. The distal end portion is sized to be received through an incision into the eye. An elongated member having a resiliently deformable end portion is at least partially received in the elongated passage of the tube. The distal end portion of the inner member has a curved configuration in a relaxed condition and is capable of performing a function within the eye. The tube and the inner member are relatively movable longitudinally so that the distal end portion of the inner member can be caused to project through the …
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 March 26, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2015.
- 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.