Fast acting overcurrent protector and method
CA 1281376 C · Owner: The B.F. Goodrich Company · Inventors: Kugelman, Michael Milton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An overcurrent protection circuit wherein excessive current flow to current handling components triggers a programmable unijunction transistor which activates a crow-bar device to clamp off current flow through the current handling components. The overcurrent protection circuit finds utility in protecting solid state circuits from overcurrent situations, and is characterized by rapid response time on an order of less than one microsecond.
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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 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.