Patent information:

Patent:Utility 171,744
Patented:January 4, 1876
Applied:December 8, 1874
Title:Improvement in Lightning Rods
Description:Lightning rod composed of a copper sheet wrapped around a metal bar with copper wrapped wires on either side and the whole twisted
Category:Lightning Rod
Assigned to: 

Patentee Information:

SMITH, Charles H. Chicago, IL

Class and subclass information:

Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:592ALL METAL OR WITH ADJACENT METALS Helical or with helical component;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:377COATED OR STRUCTUALLY DEFINED FLAKE, PARTICLE, CELL, STRAND, STRAND PORTION, ROD, FILAMENT, MACROSCOPIC FIBER OR MASS THEREOF Rod, strand, filament or fiber Coated or with bond, impregnation or core Wound or wrapped core or coating (i.e., spiral or helical);
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:658ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group IIB metal-base component Zn-base component;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:674ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group VIII or IB metal-base component Cu-base component;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:676ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group VIII or IB metal-base component Cu-base component Next to Fe-base component;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:681ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group VIII or IB metal-base component Fe-base component;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1