Patent information:
| Patent: | Utility 1,529,259 |
| Patented: | March 10, 1925 |
| Applied: | December 9, 1922 |
| Title: | Glass |
| Description: | Alumino-silicate glass (Corning's Flameware) |
| Category: | Alumino |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 59 | 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; And boron; And aluminum; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 60 | 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 lead; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 66 | 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 boron; And aluminum; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 73 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; Less than 40 percent by weight silica; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 75 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; Less than 40 percent by weight silica; And lead; And boron; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 77 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; Less than 40 percent by weight silica; And boron; |
Known specimens:
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