Patent information:
| Patent: | Utility 45,221 |
| Patented: | November 29, 1864 |
| Applied: | |
| Title: | Improvement in Insulators for Telegraph Wires |
| Description: | Hook cemented in glass with metal covering (see reissue 2,717 on 8-6-1867) |
| Category: | Hook |
| Assigned to: |
Patentee Information:
| BROOKS, David | Philadelphia, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 189 | INSULATORS; With terminal elements; Cap type; Plastic material adhered; |
| 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: | 196 | INSULATORS; With terminal elements; Pin type; Plastic material adhered; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 211 | INSULATORS; With moisture or dirt removing or shedding; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |