Patent information:
| Patent: | Utility 948,321 |
| Patented: | February 8, 1910 |
| Applied: | June 12, 1907 |
| Title: | Knob Insulator |
| Description: | Knob or spool to support a pair of insulation covered wires |
| Category: | Knob |
| Assigned to: | Western Electric Co. |
Patentee Information:
| GRACE, Sergius P. | Pittsburg, PA |
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: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |