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:
Apr. 21, 2020
Filed:
Sep. 17, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Tasuku Ishibashi, Osaka, JP;
Eiichi Uriu, Osaka, JP;
Hiroyuki Abe, Osaka, JP;
Kenji Hasegawa, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/78 (2006.01); G01M 3/02 (2006.01); C03C 27/06 (2006.01); G01N 7/04 (2006.01); G01L 21/00 (2006.01);
U.S. Cl.
CPC ...
G01M 3/02 (2013.01); C03C 27/06 (2013.01); G01L 21/00 (2013.01); G01N 7/04 (2013.01); G01N 21/783 (2013.01);
Abstract
The glass panel unit includes: a first glass panel; a second glass panel; a seal; an evacuated space; and a gas adsorbent. The seal with a frame shape hermetically bonds the first glass panel and the second glass panel to each other. The gas adsorbent is placed in the evacuated space. The gas adsorbent includes a getter. The gas adsorbent is visible through at least one of the first glass panel and the second glass panel. The gas adsorbent has properties of changing its color when adsorbing gas.