Transfection high-voltage controller
CA 1330107 C · Owner: Bio-Rad Laboratories, Inc. · Inventors: Ragsdale, Charles W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transfection high-voltage controller for directing high-voltage currents to a suspension of cells and DNA comprising a control section, a power store and a high-, joule switch Under control of the control section the, high-joule switch direct a high-voltage current from the power store to a load such as a cuvette The high-joule switch comprises a semiconductor controlled rectifier (SCR) having a gate coupled to the control unit for triggering the device, an anode for receiving the highvoltage current from the power store, and a cathode for delivering the high-voltage current to the cuvette A current sink may be connected to the anode of the SCR to render it non-conductive a predetermined …
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 June 7, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 2011.
- 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.