Patent information:
| Patent: | Utility 112,281 |
| Patented: | February 28, 1871 |
| Applied: | |
| Title: | Improvement in Insulators for Telegraph Wires |
| Description: | Hook, new shape |
| Category: | Hook |
| Assigned to: |
Patentee Information:
| ROBBINS, Zenas C. | Washington, DC |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 170 | INSULATORS; With conductor holding means; Fitting or terminal type; Hooks; |
| 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: | 185 | INSULATORS; With terminal elements; Plural; Overlapping; Pin and opposed terminal; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |