Patent information:
| Patent: | Utility 1,888,571 |
| Patented: | November 22, 1932 |
| Applied: | March 12, 1929 |
| Title: | Pin Centering Device and Cushion Retainer |
| Description: | Means to keep pin centered in a suspension insulator during cementing |
| Category: | Suspension |
| Assigned to: | Locke Insulator Corp. |
Patentee Information:
| ROBERTSON, John Cullen | Annapolis, MD |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 196 | INSULATORS; With terminal elements; Pin type; Plastic material adhered; |
Known specimens:
| None known |
Drawings:
Page 1 |