Patent information:
| Patent: | Utility 1,312,053 |
| Patented: | August 5, 1919 |
| Applied: | November 18, 1918 |
| Title: | Process of Decomposing Potassium Silicates |
| Description: | Process of extracting potassium to be used in glass manufacture (see patent 1,327,781; 1,327,782) |
| Category: | Glass |
| Assigned to: | H. C. Fry Glass Co. |
Patentee Information:
Class and subclass information:
| Class: | 423 | CHEMISTRY OF INORGANIC COMPOUNDS |
| Subclass: | 123 | |
| Class: | 423 | CHEMISTRY OF INORGANIC COMPOUNDS |
| Subclass: | 422 | |
| Class: | 423 | CHEMISTRY OF INORGANIC COMPOUNDS |
| Subclass: | 630 | |
Known specimens:
|