Patent information:
| Patent: | Utility 2,286,488 |
| Patented: | June 16, 1942 |
| Applied: | July 24, 1940 |
| Title: | Spool Insulator |
| Description: | Spool insulator with deep side groove |
| Category: | Spool |
| Assigned to: | Porcelain Products, Inc. |
Patentee Information:
| JOHNSON, Lewis E. | Arlington, TX |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |