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. 17, 2009
Filed:
Dec. 15, 2006
Applicant:
Jae Bum Kim, Daegu, KR;
Inventor:
Jae Bum Kim, Daegu, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 65/00 (2006.01); H01J 61/06 (2006.01); H01J 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An external electrode fluorescent lamp includes a ferroelectric glass tube filled with discharge gas, and a ferroelectric film on an internal surface of the ferroelectric glass tube.