Patent information:
| Patent: | Utility 2,034,925 |
| Patented: | March 24, 1936 |
| Applied: | December 14, 1932 |
| Title: | Hollow Building Block |
| Description: | Method in manufacturing glass to glass seal welded blocks |
| Category: | OI |
| Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 152 | FUSION BONDING MEANS; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 58 | PROCESSES; Fusion bonding of glass to a formed part; Of parts having opposed facing areas out of contact (e.g., building blocks); |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 171 | WITH REPAIR, ASSEMBLY, OR DISASSEMBLY MEANS FOR APPARATUS; |
Known specimens:
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Drawings:
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