Electromagnetically operated circuit breaker having compartmentalised housing
CA 1099772 A · Owner: Weber Ag, Fabrik Elektrotechnischer Artikel Und Apparate · Inventors: Rusch, Arthur
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit breaker including a manually operated lever a, movable contact lever for opening and closing the electrical circuit through the circuit breaker, a switch latch which connects the manually operated lever to the movable contact lever and which activates the movable contact lever a thermal trigger, connected to the switch latch and a magnetic trigger connected, to the switch latch. The magnetic trigger the contact lever, the switch latch and the thermal trigger all occupy separate compartments.
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.