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:
Aug. 10, 2004
Filed:
Jun. 06, 2003
Applicant:
Inventors:
Assignee:
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 2/700 ; E06B 3/24 ;
U.S. Cl.
CPC ...
C03C 2/700 ; E06B 3/24 ;
Abstract
In order to provide a glass panel in which any substance which may be present on the glass surface and may then become detached to invite deterioration in the vacuum degree has been sufficiently reduced and which can maintain highly sealed condition against the surround atmosphere for an extended period of time, in a glass panel comprising a pair of glass sheet disposed in an opposing and spaced relationship with each other with a gap formed therebetween, the gap being air-tightly sealed by joining peripheral edges of the glass sheets with a sealing material, at least one of the glass sheets has a water contact angle of 30 degrees or less on a gap-side glass surface thereof.