Patent information:

Patent:Utility 2,257,675
Patented:September 30, 1941
Applied:January 23, 1940
Title:Plunger Screw-Out Chuck
Description:Insulator threading mandrel removal machine
Category:Press; OI
Assigned to:Owens-Illinois Glass Co.

Patentee Information:

EASTUS, Harold L. Muncie, IN

Class and subclass information:

Class:279CHUCKS OR SOCKETS
Subclass:24 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1