Patent information:

Patent:Utility 183,426
Patented:October 17, 1876
Applied:August 5, 1876
Title:Improvement in Lightning Rod Connections
Description:Coupling for twisted sheet metal lightning rod composed of hollow end to fit over end of rod and crimped to secure to rod with matching threaded end so coupling parts can be screwed together
Category:Lightning Rod Coupling
Assigned to: 

Patentee Information:

SMITH, Charles H. Chicago, IL

Class and subclass information:

Class:403JOINTS AND CONNECTIONS
Subclass:359.5INTERFITTED MEMBERS Longitudinally splined or fluted rod Including a lock or retainer;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:133RCONDUITS, CABLES OR CONDUCTORS Conductor structure (nonsuperconductive) Noncircular strand section;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1