| Patent information: 
  | Patent: | Utility 159,007 |  | Patented: | January 19, 1875 |  | Applied: | August 11, 1874 |  | Title: | Improvement in Lightning Rods |  | Description: | Lightning rod made of sheet metal formed with spiral-fluted sides with edges locking together and crimping the edges of the star wings to on each end of two sections to secure them together |  | Category: | Lightning Rod |  | Assigned to: |  |  Patentee Information: Class and subclass information: 
  | Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |  | Subclass: | 129R | CONDUITS, CABLES OR CONDUCTORS;  Conductor structure (nonsuperconductive);  Plural strand;  Assemblies of noncircular section; |  | Class: | 138 | PIPES AND TUBULAR CONDUITS |  | Subclass: | 163 |  |  | Class: | 138 | PIPES AND TUBULAR CONDUITS |  | Subclass: | 173 |  |  Known specimens: | Drawings: 
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