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:
May. 01, 1984
Filed:
Apr. 01, 1980
Applicant:
Inventors:
Assignee:
Post Office, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ; C03B / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
350 9634 ; 65-311 ; 65134 ; 501 37 ; 501 65 ; 501 72 ; 501 77 ;
Abstract
A glass suitable for use as the core glass in a high numerical aperture optical fibre has a composition selected from the range of glasses which comprise