Patent information:
| Patent: | Utility 2,988,852 |
| Patented: | June 20, 1961 |
| Applied: | December 11, 1957 |
| Title: | Method of Thermally Sealing Hollow Glass Articles at Minimal Temperatures |
| Description: | Glass to glass seal for glass blocks |
| Category: | OI |
| Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
| HENRY, Kenneth M. | Toledo, OH |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 34 | PROCESSES; With sealing off of gas evacuating opening; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 56 | PROCESSES; Fusion bonding of glass to a formed part; With severing, perforating, or breaking of glass; |
Known specimens:
| None known |
Drawings:
Page 1 |