Patent information:
| Patent: | Utility 1,822,458 |
| Patented: | September 8, 1931 |
| Applied: | July 13, 1926 |
| Title: | Measuring Apparatus |
| Description: | Device to measure the density of clay slip |
| Category: | Manufacturing |
| Assigned to: | Locke Insulator Corp. |
Patentee Information:
| ROWLAND, Davidge H. | Baltimore, MD |
| ROBERTSON, John C. | Annapolis, MD |
Class and subclass information:
| Class: | 73 | MEASURING AND TESTING |
| Subclass: | 439 | |
| Class: | 73 | MEASURING AND TESTING |
| Subclass: | 302 |
Known specimens:
| None known |
Drawings:
Page 1 |