Patent information:

Patent:Utility 193,654
Patented:July 31, 1877
Applied:December 21, 1876
Title:Improvement in Lightning Rods
Description:Lightning rod made by wrapping a corrugated strip of metal spirally around a metal tube
Category:Lightning Rod
Assigned to: 

Patentee Information:

HEWITT, John Hamilton, Ontario, Canada

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:129RCONDUITS, CABLES OR CONDUCTORS Conductor structure (nonsuperconductive) Plural strand Assemblies of noncircular section;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1