Patent information:
| Patent: | Utility 288,360 |
| Patented: | November 13, 1883 |
| Applied: | July 30, 1883 |
| Title: | Telegraph Insulator |
| Description: | Double petticoat design for style similar to CD 162. An annual recess to receive paraffin to form a broad band of surface protected from moisture |
| Category: | Insulator |
| Assigned to: | The American Insulator Co. |
Patentee Information:
| OAKMAN, Samuel | Melrose, MA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 206 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; Sockets; |
Known specimens:
| Number: | CD 162 |
Drawings:
Page 1 |