Patent information:
| Patent: | Utility 1,602,918 |
| Patented: | October 12, 1926 |
| Applied: | March 11, 1922 |
| Title: | Insulator |
| Description: | Knob |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| MARTINEZ, Woodward J. | Berkley, CA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
Known specimens:
| None known |
Drawings:
Page 1 |