Patent information:
| Patent: | Utility 2,254,227 |
| Patented: | September 2, 1941 |
| Applied: | April 22, 1937 |
| Title: | Glass Tempering Method and Apparatus |
| Description: | Glass tempering of suspension insulators in a controlled manner |
| Category: | Glass |
| Assigned to: | Corning Glass Works |
Patentee Information:
| LEWIS, Evan J. | Corning, NY |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 115 | PROCESSES; Glass preform treating; Tempering; Differential or localized; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 348 | PRODUCT COOLING MEANS (E.G., TEMPERING); |
Known specimens:
| None known |
Drawings:
Page 1 |