Patent information:
| Patent: | Utility 69,622 |
| Patented: | October 8, 1867 |
| Applied: | |
| Title: | Improvement in Insulators for Telegraphs |
| Description: | Hook in blown glass cemented with sulfur in metal case |
| Category: | Hook |
| Assigned to: |
Patentee Information:
| BROOKS, David | Philadelphia, PA |
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: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |