Patent information:
| Patent: | Utility 1,538,428 |
| Patented: | May 19, 1925 |
| Applied: | August 27, 1920 |
| Title: | Pole Line Insulator |
| Description: | Self-tying odd insulator screwed into cut-out in top of crossarm |
| Category: | Self-tying Miscellaneous |
| Assigned to: |
Patentee Information:
| EMMONS, Albert F. | Pittsburg, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 155 | INSULATORS; Insulator and conductor embracing holder; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
Known specimens:
| None known |
Drawings:
Page 1 |