Patent information:

Patent:Utility 967,649
Patented:August 16, 1910
Applied:June 30, 1909
Title:Means of Visibly Indicating Faulty Insulators
Description:Colored flammable cap that fits over the top of an insulator that will burn away during an arc indicating that the insulator may be damaged
Category:Miscellaneous
Assigned to: 

Patentee Information:

LINKE, Charles Straussburg,, Germany

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:139INSULATORS Combined;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:168INSULATORS With conductor holding means;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1