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:
Jul. 13, 2021
Filed:
Dec. 21, 2018
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Matthias Wolfinger, Kriftel, DE;
Falk Gabel, Schlangenbad, DE;
Friedrich Siebers, Nierstein, DE;
Evelin Weiss, Mainz, DE;
Matthias Bockmeyer, Mainz, DE;
Oliver Hochrein, Mainz, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/00 (2006.01); C03C 10/12 (2006.01); F24C 15/10 (2006.01); C03C 3/087 (2006.01); C03C 3/097 (2006.01); C03C 1/00 (2006.01); C03B 23/03 (2006.01); C03B 27/012 (2006.01); C03B 32/02 (2006.01); C03C 3/083 (2006.01); C03C 4/10 (2006.01); H05B 3/74 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0027 (2013.01); C03B 23/0305 (2013.01); C03B 27/012 (2013.01); C03B 32/02 (2013.01); C03C 1/002 (2013.01); C03C 3/083 (2013.01); C03C 3/087 (2013.01); C03C 3/097 (2013.01); C03C 4/10 (2013.01); C03C 10/00 (2013.01); F24C 15/10 (2013.01); H05B 3/74 (2013.01);
Abstract
A sightglass for a stove is provided that has a substrate made of transparent coloured lithium aluminium silicate glass ceramic. The sightglass has a light transmittance of 0.1% to 50%. Standard illuminant D65 light, after passing through the glass ceramic, at a thickness of 4 mm, has a colour locus in the white region Wdetermined by the following coordinates in the chromaticity diagram CIExyY-2°: