Liquid-dosing tube
CA 2117696 A1 · Owner: Gundelsheimer, Peter · Inventors: Gundelsheimer, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid-dosing tube is provided with marks for the level of liquid. According to the invention the opening of, the dosing-tube is linked to a shortened inner tube and a space with a constant retaining volume is located between the closing-tube and the inner tube.
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 16, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 16, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 16, 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.