Patent information:
Patent: | Utility 146,996 |
Patented: | February 3, 1874 |
Applied: | August 5, 1873 |
Title: | Improvement in Telegraph Insulators |
Description: | Cylinder split insulator with groove for wire and held by bracket |
Category: | Cylinder |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 156 | INSULATORS; Divided insulator; |
Class: | 24 | BUCKLES, BUTTONS, CLASPS, ETC. |
Subclass: | 136R | CORD AND ROPE HOLDERS; Sliding part or wedge; |
Known specimens:
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Drawings:
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