Patent information:
| Patent: | Utility 1,553,356 |
| Patented: | September 15, 1925 |
| Applied: | July 1, 1922 |
| Title: | Machine for Producing Threads or Grooves in Plastic Articles |
| Description: | Threading method whereby mandrel rotates (similar to Lapp wobbler method) |
| Category: | Thread |
| Assigned to: | The Porcelain Insulator Corp. |
Patentee Information:
| BENNETT, Cornelius Van Dyke | Lima, NY |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 267 | POTTERY WHEEL TYPE SUPPORT AND PROFILE; Rotatable profile tool; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 459 | PROFILE, JIGGER TOOL OR POTTER'S WHEEL PER SE; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |
Page 3 |