Patent information:
| Patent: | Utility 2,264,428 |
| Patented: | December 2, 1941 |
| Applied: | June 22, 1935 |
| Title: | Article of Ceramic of Vitreous Material |
| Description: | Manufacturing method to improve quality of porcelain during firing |
| Category: | Manufacturing |
| Assigned to: | The Ohio Brass Co. |
Patentee Information:
| AUSTIN, Arthur O. | Barberton, OH |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
| Class: | 123 | INTERNAL-COMBUSTION ENGINES |
| Subclass: | 169R | |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 31R | WITH FLUIDS OR VACUUM; Insulators; Axial passage and/or through wall or plate; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 152R | INSULATORS; Through wall or plate; Bushing type; |
| Class: | 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Subclass: | 118 | SPARK PLUGS; |
Known specimens:
| None known |
Drawings:
Page 1 |
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