Patent information:
| Patent: | Utility 1,020,880 |
| Patented: | March 19, 1912 |
| Applied: | July 26, 1910 |
| Title: | Insulator |
| Description: | Self-tying screw top |
| Category: | Self-tying Screw Top |
| Assigned to: |
Patentee Information:
| BOURKE, Alexander M. | Maitland, New South Wales, Australia |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 168 | INSULATORS; With conductor holding means; |
Known specimens:
| None known |
Drawings:
Page 1 |