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:
Jan. 04, 1977
Filed:
Jan. 28, 1976
Applicant:
Inventors:
Otto Lindig, Mainz, DT;
Werner Sack, Mainz, DT;
Assignee:
Jenaer Glaswerk Schott & Gen., Mainz, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ; E05C / ; H01H / ;
U.S. Cl.
CPC ...
335153 ; 106 52 ; 106 53 ; 106 54 ; 335154 ;
Abstract
A glass having a softening temperature (E.sub.W) between 596.degree. and 634.degree. C. and a working temperature (V.sub.A) between 792.degree. and 863.degree. C., said glass being produced from a melt having a composition expressed in percentages by weight as follows: