Patent information:
| Patent: | Utility 109,879 |
| Patented: | December 6, 1870 |
| Applied: | |
| Title: | Improvement in Insulators for Telegraph Wires |
| Description: | Split insulator protected by metal cage |
| Category: | Split |
| Assigned to: |
Patentee Information:
| DE MONTUFAR, Manuel | New York, NY |
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: | 139 | INSULATORS; Combined; |
Known specimens:
| None known |
Drawings:
Page 1 |