Patent information:
| Patent: | Reissue 3,847 |
| Patented: | February 22, 1870 |
| Applied: | |
| Title: | Improvement in Insulators |
| Description: | Threads formed internally for screw pin (reissue of 48,906) |
| Category: | Thread |
| Assigned to: |
Patentee Information:
| CAUVET, Louis A. | New York, NY |
Class and subclass information:
| 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: | 149R | INSULATORS; Multiple insulator assemblies; Multiple conductor; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |