Patent information:
| Patent: | Utility 1,743,552 |
| Patented: | January 14, 1930 |
| Applied: | August 8, 1927 |
| Title: | Pin Type Insulator |
| Description: | Pin with sharp pointed threads that engage the insulator only at the tips of the threads and insulator with shallow depressions in the pinhole rather than threads |
| Category: | Pin |
| Assigned to: | Hubbard & Co. |
Patentee Information:
| KERSCHNER, Richard M. | Pittsburgh, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 204 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; Sheet material thread; |
Known specimens:
| None known |
Drawings:
Page 1 |