Patent information:
| Patent: | Utility 115,521 |
| Patented: | May 30, 1871 |
| Applied: | |
| Title: | Improvement in Insulators for Telegraph Wires |
| Description: | Threadless insulator with metal thimble cemented in pinhole |
| Category: | Thimble |
| Assigned to: | 1/2 to B. B. Hagerty |
Patentee Information:
| READ, Horatio | Jersey City, NJ |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 200 | INSULATORS; With terminal elements; Pin type; With thimble in socket; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 202 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 206 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; Sockets; |
Known specimens:
| None known |
Drawings:
Page 1 |