Patent information:
| Patent: | Utility 132,215 |
| Patented: | October 15, 1872 |
| Applied: | |
| Title: | Improvement in Formers for Segmentally Screw Threaded Insulators |
| Description: | Plunger to form segmented threads |
| Category: | Plunger |
| Assigned to: |
Patentee Information:
| OAKMAN, Samuel | Boston, MA |
Class and subclass information:
| Class: | 249 | STATIC MOLDS |
| Subclass: | 59 | FORMING HELICAL OR THREADED PRODUCT; |
| Class: | 249 | STATIC MOLDS |
| Subclass: | 63 | MOLD INCLUDING CORE AND MEANS TO REMOVE CORE; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |