Patent information:
Patent: | Utility 129,676 |
Patented: | July 23, 1872 |
Applied: | |
Title: | Improvement in Lightning Rods |
Description: | Lightning rod made of several ropes of twisted angular copper wire twisted around an iron core to reduce cost |
Category: | Lightning Rod |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 128.1 | CONDUITS, CABLES OR CONDUCTORS; Conductor structure (nonsuperconductive); Plural strand; |
Class: | 57 | TEXTILES: SPINNING, TWISTING, AND TWINING |
Subclass: | 215 | |
Known specimens:
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Drawings:
Page 1 |
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