Patent information:
| Patent: | Utility 2,562,292 |
| Patented: | July 31, 1951 |
| Applied: | October 26, 1949 |
| Title: | Glass composition for electrical bulbs (TV tubes?) |
| Description: | Glass Composition |
| Category: | OI |
| Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
| BLACK, Harold R. | Toledo, OH |
| GAGIN, Lawrence V. | Toledo, OH |
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 62 | 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; And aluminum; |
| Class: | 220 | RECEPTACLES |
| Subclass: | 2.1R |
Known specimens:
| None known |
Drawings:
Page 1 |