Patent information:
| Patent: | Utility 867,901 |
| Patented: | October 8, 1907 |
| Applied: | July 22, 1907 |
| Title: | Insulator |
| Description: | CD 110, CD 147 & CD 150 spiral extension above wire groove to facilitate removing or installing the insulator without the need to remove the tie-wire. |
| Category: | Insulator |
| Assigned to: |
Patentee Information:
| BARCLAY, John C. | New York, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 173 | INSULATORS; With conductor holding means; Insulator embracing; Tie wires; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
Known specimens:
| Number: | CD 110 |
| Number: | CD 147 |
| Number: | CD 150 |
Drawings:
Page 1 |