Stock prod
CA 2514632 A1 · Owner: Bros, Robert M. · Inventors: Bros, Robert M.; Madson, Peter B.; Wolfgram, Kirk W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A free standing electrical discharge stock prod (10) having an improved circuit that allows the prod (10) to deliver a consistent voltage level to discharge electrodes (38, 40) even though the power sources may vary. Preferably, the circuit is operated by a micro-controller (MC1). An improved transformer (T1) and strategically placed polypropylene increase the overall safety of the prod. The voltage to the discharge electrodes (38 40) of the , prod can be infinitely adjusted within a predetermined range of voltages energies, and/or pulse rates to allow the prod to be used on subjects having different physical parameters. The prod is provided with a multi-function actuator (100) that …
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 December 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 24, 2025.
- 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.