Patent information:
Patent: | Utility 211,441 |
Patented: | January 14, 1879 |
Applied: | December 4, 1878 |
Title: | Improvement in Lightning Rod Couplings |
Description: | Coupling for lightning rod that is cast in iron on the ends of the rods and provided with male and female threaded ends |
Category: | Lightning Rod Coupling |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 94S | CONDUITS, CABLES OR CONDUCTORS; Combined; With joints; Bare-conductor; Separable; |
Class: | 403 | JOINTS AND CONNECTIONS |
Subclass: | 343 | SCREW OR CAM; |
Known specimens:
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Drawings:
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