Apparatus for applying a liquid sample onto a culture medium
CA 2136302 A1 · Owner: Rodenburgh, Arie H. · Inventors: Nugteren, Robert J.; Rodenburgh, Arie H.; Aurik, Erik A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for applying a liquid sample onto a culture medium in a spiral shape, for example for determining the bacteria concentration therein comprises, a line having an inclined nozzle for applying said liquid sample onto the culture medium. A turntable supports a culture medium container, and said line being supported by a linearly movable slide. Automatic means are arranged for adjusting said nozzle and turntable relative to each other by depending on the level of the upper control device for a desinfectant container insures that the nozzle is submerged deep enough into the desinfectant to properly desinfect the outer side of the nozzle.
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 May 24, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 24, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 24, 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.