Patent information:
Patent: | Utility 70,052 |
Patented: | October 22, 1867 |
Applied: | |
Title: | Improvement in Telegraph Insulators |
Description: | Hook in insulating material inserted into crossarm (references Wade insulator) [Smithsonian] |
Category: | Hook |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 163R | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 170 | INSULATORS; With conductor holding means; Fitting or terminal type; Hooks; |
Known specimens:
Number: | |
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Drawings:
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