Patent information:
| Patent: | Utility 1,143,885 |
| Patented: | June 22, 1915 |
| Applied: | January 27, 1912 |
| Title: | Process for Making a Compound of Glass |
| Description: | Glass made from cullet with large amount of lime added for toughness |
| Category: | Glass |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 70 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; 40 percent - 90 percent by weight silica; And aluminum or iron compound; And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.); Calcium oxide containing; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 33.1 | PROCESSES; Devitrifying glass or vitrifying crystalline glass (e.g., starting with or forming crystalline glass, etc.); |
| Class: | 241 | SOLID MATERIAL COMMINUTION OR DISINTEGRATION |
| Subclass: | 22 | |
Known specimens:
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