Patent information:
| Patent: | Utility 2,145,351 |
| Patented: | January 31, 1939 |
| Applied: | September 11, 1936 |
| Title: | Hollow Glass Building Block |
| Description: | Blocks with recess for molten glass to bond two halves together |
| Category: | OI |
| Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
| HAZELTON, Benjamin F. | Toledo, OH |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 36 | PROCESSES; Fusion bonding of glass to a formed part; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 45 | PROCESSES; Fusion bonding of glass to a formed part; With glass part forming from shapeless molten glass; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 57 | PROCESSES; Fusion bonding of glass to a formed part; Relative rotation of work and heating 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: | D25 | BUILDING UNITS AND CONSTRUCTION ELEMENTS |
| Subclass: | 107 |
Known specimens:
| None known |
Drawings:
Page 1 |