Patent information:
| Patent: | Utility 954,490 |
| Patented: | April 12, 1910 |
| Applied: | November 12, 1909 |
| Title: | Machine for Threading Porcelain Insulators |
| Description: | Machine to form threads in wet process porcelain |
| Category: | Thread |
| Assigned to: | Pittsburg High Voltage Insulator Co. |
Patentee Information:
| YOUNG, George F. | Zanesville, OH |
Class and subclass information:
| Class: | 408 | CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL |
| Subclass: | 128 | |
| Class: | 470 | |
| Subclass: | 181 |
Known specimens:
| None known |
Drawings:
Page 1 |