Patent information:
| Patent: | Utility 1,732,339 |
| Patented: | October 22, 1929 |
| Applied: | January 11, 1927 |
| Title: | Apparatus for Finishing Insulator Shells |
| Description: | Machine to form the opening in the bottom of a top shell and form grooves in the sides of the opening to aid in cement adhesion between the top shell and the second shell. |
| Category: | Manufacturing |
| Assigned to: | Electric Service Supplies Co. |
Patentee Information:
| OSBORNE, David H. | Jeffersonville, PA |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 263 | POTTERY WHEEL TYPE SUPPORT AND PROFILE; |
Known specimens:
| None known |
Drawings:
Page 1 |