Patent information:
| Patent: | Utility 1,687,759 |
| Patented: | October 16, 1928 |
| Applied: | August 18, 1927 |
| Title: | Insulator Knurling Device |
| Description: | Manufacturing method of cutting inside of multipart joints to aid cement adhesion |
| Category: | Manufacturing |
| Assigned to: | Locke Insulator Corp. |
Patentee Information:
| GOUVERNEUR, Minor F. H. | Baltimore, MD |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 459 | PROFILE, JIGGER TOOL OR POTTER'S WHEEL PER SE; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 265 | POTTERY WHEEL TYPE SUPPORT AND PROFILE; Plural profile tools of diverse configuration; |
Known specimens:
| None known |
Drawings:
Page 1 |