Patent information:
Patent: | Utility 138,489 |
Patented: | May 6, 1873 |
Applied: | December 24, 1872 |
Title: | Improvement in Insulators for Telegraph lines |
Description: | Cylinder split insulator to hold wire in hole in crossarm |
Category: | Cylinder |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 155 | INSULATORS; Insulator and conductor embracing holder; Divided insulator; |
Known specimens:
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Drawings:
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