Patent information:
| Patent: | Utility 1,572,730 |
| Patented: | February 9, 1926 |
| Applied: | October 17, 1924 |
| Title: | Batch for Making Ceramic Material and to a Ceramic Material Made Therefrom |
| Description: | Porcelain composition for insulator using manganese |
| Category: | Porcelain |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 141 | CERAMIC COMPOSITIONS; Clay containing (e.g., porcelain, earthenware, etc.); |
Known specimens:
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