Bacteria growing device
CA 1197802 B · Owner: Minnesota Mining And Manufacturing Company · Inventors: Downing, Michael W.; Nelson, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a device for growing bacteria from an initial population to a predetermined population the device, including a medium for such growth and a means for obtaining a predetermined population for inoculation of the medium. The invention also relates to a wand for picking up a predetermined quantity of bacteria and a method, of using the wand.
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
- Granted April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 1998.
- 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.