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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