Patent information:

Patent:Utility 304,084
Patented:August 26, 1884
Applied:October 10, 1883
Title:Device for Protection Electric Light Systems from Lightning
Description:Method of protecting electric generators from lightning by allowing the charge to discharge to the earth ground
Category:Lightning Arrestor
Assigned to: 

Patentee Information:

EDISON, Thomas A. Menlo Park, NJ

Class and subclass information:

Class:361ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES
Subclass:42SAFETY AND PROTECTION OF SYSTEMS AND DEVICES Ground fault protection;
Class:307ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
Subclass:12 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1