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:
Feb. 17, 2026

Filed:

Apr. 29, 2022
Applicant:

Ls Electric Co., Ltd., Anyang-si, KR;

Inventors:

Kyu Ho Lee, Anyang-si, KR;

Il Hyun Kim, Anyang-si, KR;

Assignee:

LS ELECTRIC CO., LTD., Anyang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/08 (2006.01); H01H 73/04 (2006.01); H01H 73/18 (2006.01);
U.S. Cl.
CPC ...
H01H 73/18 (2013.01); H01H 33/08 (2013.01); H01H 73/04 (2013.01);
Abstract

Disclosed are an arc extinguishing unit, a circuit breaking unit, and an air circuit breaker including the same. The present disclosure provides an arc extinguishing unit, a circuit breaking unit, and an air circuit breaker, including: side plates spaced apart from each other and disposed to face each other; a plurality of grids disposed between the side plates, spaced apart from each other, and coupled to the side plates, respectively; and a grid cover located above the grid and covering the grid, wherein the grid includes a grid leg extending downward to surround from both sides a protruding contact disposed to extend upward from a movable contact; and a first protective part formed to surround at least a portion of the grid leg at a lower portion of the grid leg.


Find Patent Forward Citations

Lee, Kyu. (2026). Arc extinguishing unit, interruption unit, and air circuit breaker comprising same (U.S. Patent No. 12555733). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12555733

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

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