The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 25, 2011

Filed:

Dec. 13, 2007
Applicants:

Masaaki Nakano, Saitama, JP;

Hisanobu Asano, Saitama, JP;

Inventors:

Masaaki Nakano, Saitama, JP;

Hisanobu Asano, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 75/00 (2006.01); H01H 77/00 (2006.01); H01H 83/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A circuit breaker for overcurrent protection and earth leakage protection includes a main housing, a circuit board, a zero-phase current transformer, an earth leakage detection circuit, a trip coil, a sensitivity current-switch, an action time switch, and an earth leakage test switch. The earth leakage detection circuit, the sensitivity current-switch, the action time switch, and the earth leakage test switch are mounted on the circuit board and installed in the main housing.


Find Patent Forward Citations

Nakano, Masaaki. (2011). Earth leakage circuit breaker (U.S. Patent No. 7876181). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7876181

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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