Patent information:
Patent: | Utility 143,862 |
Patented: | October 21, 1873 |
Applied: | May 31, 1873 |
Title: | Improvement in Lightning Rods |
Description: | Lightning rod with twisted flanges that is split on the ends where it fits snugly with the split in the adjoining rod with said joint secured with metal pins |
Category: | Lightning Rod |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 403 | JOINTS AND CONNECTIONS |
Subclass: | 363 | INTERFITTED MEMBERS; Interfitted angle or channel bars; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 133R | CONDUITS, CABLES OR CONDUCTORS; Conductor structure (nonsuperconductive); Noncircular strand section; |
Known specimens:
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Drawings:
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