Patent information:
| Patent: | Utility 937,515 |
| Patented: | October 19, 1909 |
| Applied: | February 3, 1909 |
| Title: | Insulator Pin |
| Description: | Pin (metal) with hollow threaded end |
| Category: | Pin |
| Assigned to: | Fredric Greer |
Patentee Information:
| DORFF, Conrad J. | Chicago, IL |
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 |