Patent information:
Patent: | Utility 120,884 |
Patented: | November 14, 1871 |
Applied: | |
Title: | Improvement in Telegraph Insulators |
Description: | Cylinder (split and circular) mounted in crossarm to hold wire |
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; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 152R | INSULATORS; Through wall or plate; Bushing type; |
Known specimens:
Number: | |
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Drawings:
Page 1 |
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