Patent information:
Patent: | Utility 446,130 |
Patented: | February 10, 1891 |
Applied: | October 15, 1890 |
Title: | Lightning Rod |
Description: | Lightning rod made of sheet copper angularly bent and twisted into a spiral with corrugations between the angles |
Category: | Lightning Rod |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 133R | CONDUITS, CABLES OR CONDUCTORS; Conductor structure (nonsuperconductive); Noncircular strand section; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 3 | LIGHTNING PROTECTION; Rods; |
Known specimens:
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Drawings:
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