Patent information:

Patent:Utility 2,857,505
Patented:October 21, 1958
Applied:April 19, 1955
Title:Method of welding TV tube studs
Description:Stud Welding Apparatus
Category:OI
Assigned to:Owens-Illinois Glass Co.

Patentee Information:

SMITH, Ralph H. Toledo, OH

Class and subclass information:

Class:219ELECTRIC HEATING
Subclass:98 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2

Drawing page 3

Page 3