Patent information:
| Patent: | Utility 1,640,815 |
| Patented: | August 30, 1927 |
| Applied: | February 17, 1922 |
| Title: | Insulator |
| Description: | Knob - self-tying with side projections to crimp wire and hold it. It was made by the Trenle Porcelain Co. of East Liverpool and called the ""Quickon"" knob. |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| BROOKMAN, Horace D. | East Liverpool, OH |
Class and subclass information:
| 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: | 175 | INSULATORS; With conductor holding means; Insulator structure; Self-retaining; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |