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. 25, 2000
Filed:
Sep. 10, 1998
Applicant:
Inventor:
Richard C Marlor, Beverly, MA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03L / ;
U.S. Cl.
CPC ...
501 70 ; 501 66 ; 501905 ; 313636 ;
Abstract
A universal lead free glass (ULF) has been developed having a high electrical resistivity and mechanical working properties comparable to conventional lead glasses used in the manufacture of electric lamps. The ULF glass may be used to manufacture both low and high wattage electric lamps and in particular to make filament mounts for such applications.