Patent information:

Patent:Utility 145,851
Patented:December 23, 1873
Applied:July 23, 1873
Title:Improvement in Lightning Rods
Description:Lightning rod made of tubular metal with annular corregations on each end that fitted together to connect two rod sections
Category:Lightning Rod
Assigned to: 

Patentee Information:

DREW, Joseph Wenona, IL

Class and subclass information:

Class:285PIPE JOINTS OR COUPLINGS
Subclass:330PARTICULAR INTERFACE Interlocked or overlapped;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:126.1CONDUITS, CABLES OR CONDUCTORS Conductor structure (nonsuperconductive);
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:28WITH FLUIDS OR VACUUM Conduits, cables and conductors Coaxial or concentric type;
Class:285PIPE JOINTS OR COUPLINGS
Subclass:322MOVABLE JAW (E.G., CONTRACTIBLE SOCKET);

Known specimens:

None known

Drawings:

Drawing page 1

Page 1