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:
Sep. 21, 1976
Filed:
May. 12, 1975
Applicant:
Inventors:
Assignee:
Ernst Leitz G.m.b.H., Wetzlar, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; C03C / ;
U.S. Cl.
CPC ...
106 396 ; 3-19 ; 3-1913 ; 106 52 ; 106 54 ; 128 / ;
Abstract
The glass ceramic material of the present invention has the following composition, in weight percent,: