Patent information:

Patent:Utility 580,628
Patented:April 13, 1897
Applied:October 28, 1896
Title:Insulator and Insulating Conduit or Tubing for Electrical Purposes
Description:Composition insulator of asbestos and cement
Category:Composition
Assigned to: 

Patentee Information:

TREHARNE, Frederick G. Llanishen, Glamorgan, England

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:169INSULATORS With conductor holding means Fitting or terminal type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:195INSULATORS With terminal elements Pin type Multi-part insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:209INSULATORS Sectional, multi-part, composite, or coated;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1