Patent information:
| Patent: | Utility 2,895,260 |
| Patented: | July 21, 1959 |
| Applied: | February 11, 1954 |
| Title: | Method of Treating a Glass Insulator |
| Description: | Method of making a toughened glass insulator |
| Category: | Glass |
| Assigned to: | Pilkington Brothers Ltd. |
Patentee Information:
| JELLYMAN, Philip E. | Eccleston, St. Helens, England |
| DICKINSON, George A. | Eccleston Hill, St. Helens, England |
| MACINTOSH, Hamish F. | Glenaveron Brora, Sutherland, Scotland |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 115 | PROCESSES; Glass preform treating; Tempering; Differential or localized; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 212 | INSULATORS; Surface configuration; |
Known specimens:
| None known |
Drawings:
Page 1 |