Patent information:

Patent:Utility 2,331,041
Patented:October 5, 1943
Applied:June 19, 1940
Title:Method of Surface Treating Glass Containers
Description:Treatment of interior surfaces of glass block
Category:OI
Assigned to:Owens-Illinois Glass Co.

Patentee Information:

NOBLE, Burton A. San Francisco, CA

Class and subclass information:

Class:216ETCHING A SUBSTRATE: PROCESSES
Subclass:73 
Class:65GLASS MANUFACTURING
Subclass:31PROCESSES With chemically reactive treatment of glass preform By etching or leaching;
Class:141FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS
Subclass:70 
Class:216ETCHING A SUBSTRATE: PROCESSES
Subclass:80 
Class:427COATING PROCESSES
Subclass:237INTERIOR OF HOLLOW ARTICLE COATING Coating by vapor, gas, mist, or smoke;
Class:427COATING PROCESSES
Subclass:248.1COATING BY VAPOR, GAS, OR SMOKE;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1