Patent information:
| Patent: | Utility 402,592 |
| Patented: | May 7, 1889 |
| Applied: | November 14, 1883 |
| Title: | Electric Wire Insulator |
| Description: | Self-tying screw top |
| Category: | Self-tying Screw Top |
| Assigned to: |
Patentee Information:
| HEAVISIDE, Arthur W. | Newcastle-Upon-Tyne,, England |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
Known specimens:
| None known |
Drawings:
Page 1 |