Patent information:

Patent:Utility 2,562,292
Patented:July 31, 1951
Applied:October 26, 1949
Title:Glass composition for electrical bulbs (TV tubes?)
Description:Glass Composition
Category:OI
Assigned to:Owens-Illinois Glass Co.

Patentee Information:

BLACK, Harold R. Toledo, OH
GAGIN, Lawrence V. Toledo, OH

Class and subclass information:

Class:501COMPOSITIONS: CERAMIC
Subclass:62CERAMIC COMPOSITIONS Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions Silica containing 40 percent - 90 percent by weight silica And lead And aluminum;
Class:220RECEPTACLES
Subclass:2.1R 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1