Patent information:

Patent:Utility 1,790,273
Patented:January 27, 1931
Applied:August 11, 1928
Title:Insulator
Description:Wireholder with internal threaded metal core to receive a threaded shank that can be fixed to a wall
Category:Wireholder
Assigned to: 

Patentee Information:

LEE, Leffman H. Pittsburgh, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:165INSULATORS With insulator-supporting or attaching means Support penetrating Penetrating element socketed in insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:189INSULATORS With terminal elements Cap type Plastic material adhered;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1