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.
Patent No.:
Date of Patent:
Mar. 07, 2023
Filed:
Oct. 07, 2019
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventor:
Misun Song, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/03 (2006.01); H05B 3/20 (2006.01); F24C 7/00 (2006.01); F24D 15/00 (2022.01);
U.S. Cl.
CPC ...
H05B 3/03 (2013.01); H05B 3/20 (2013.01); F24C 7/00 (2013.01); F24D 15/00 (2013.01); H05B 2203/005 (2013.01); H05B 2203/014 (2013.01);
Abstract
An electric heater includes a substrate, an outer pattern part disposed on one surface of the substrate, an inner pattern part disposed on the one surface of the substrate so as to be located such that the outer pattern part surrounds the inner pattern part, and to be spaced apart from the outer pattern part. A pair of first electrodes is connected to the outer pattern part and a pair of second electrodes is connected to the inner pattern part and spaced apart from the pair of first electrodes, and the pair of second electrodes are located inside the outer pattern part.