Pipette with bellows and use thereof
CA 1288741 C · Owner: Porte, Johannes Jacobus · Inventors: Jakubowicz, Raymond Francis; Porte, Johannes Jacobus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed e pipette and a method of using the pipette in which an active element of the pressurizing means is a bellows within a piston chamber, operated by a motor. To achieve the advantages of the invention, including ease in manufacturing and the ability to actuate e tip ejector, the bellows is mounted so that the outside surface of the sidewall of the bellows together with, the piston chamber t defines the sir volume operative on the fluid passageway.
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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2008.
- 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.