Patent information:
| Patent: | Reissue 2,717 |
| Patented: | August 6, 1867 |
| Applied: | |
| Title: | Improvement in Insulators for Telegraph Wires |
| Description: | Hook cemented in glass & metal case with sulfur (reissue of 45,221) |
| Category: | Hook |
| Assigned to: |
Patentee Information:
| BROOKS, David | Philadelphia, PA |
Class and subclass information:
| 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: | 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: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |