Patent information:
| Patent: | Utility 64,196 |
| Patented: | April 30, 1867 |
| Applied: | |
| Title: | Improvement in the Manufacture of Porcelain |
| Description: | Mixing cryolite, chiolite, and fluellite with sand and other common compounds for making glass in order to make a substance that looks similar to porcelain, but is actually glass that can be cast and formed like glass. |
| Category: | Haley Insulator |
| Assigned to: |
Patentee Information:
| CHEYNEY, Waldron J. | Wallingford, PA |
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 57 | 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 halogen or nitrogen; Fluorine; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 72 | 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 divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.); |
Known specimens:
| Number: |  |