Patent information:

Patent:Utility 2,532,478
Patented:December 5, 1950
Applied:January 11, 1945
Title:Building Block
Description:Multiple celled glass block
Category:OI
Assigned to:Owens-Illinois Glass Co.

Patentee Information:

BRIDGES, Donald A. Muncie, IN

Class and subclass information:

Class:52STATIC STRUCTURES (E.G., BUILDINGS)
Subclass:306 
Class:65GLASS MANUFACTURING
Subclass:58PROCESSES Fusion bonding of glass to a formed part Of parts having opposed facing areas out of contact (e.g., building blocks);
Class:220RECEPTACLES
Subclass:2.1R 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1