Eye dropper
CA 2027632 A1 · Owner: Leneal, Denise L. · Inventors: Leneal, Denise L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An eye drop guide has a contoured base to rest on the bony surround of the eye socket. This bony surround is more or less invariant in the adult human, regardless of sex race and size. The guide also has a dropper aperture to receive a eye drop container nozzle, this aperture is located at least 30 mm above the base to prevent eye drop nozzle-eye lash interference and blinking. The aperture is also centred about 29 mm outward of the inner end of the eye socket and thus above the inner triangle of the open eye between cornea and the inner corner of the open eye. This is the most desirable point for eye drop introduction. The contoured base has a specific shape, and can be used for left and …
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 October 15, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2012.
- 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.