Patent information:
| Patent: | Utility 1,758,462 |
| Patented: | May 13, 1930 |
| Applied: | March 17, 1927 |
| Title: | Insulator |
| Description: | Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process |
| Category: | Multipart |
| Assigned to: | Electric Service Supplies Co. |
Patentee Information:
| OSBORNE, David Henry | Jeffersonville, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 189 | INSULATORS; With terminal elements; Cap type; Plastic material adhered; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 182 | INSULATORS; With terminal elements; Plural; Cap and pin; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 196 | INSULATORS; With terminal elements; Pin type; Plastic material adhered; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 210 | INSULATORS; Sectional, multi-part, composite, or coated; Pin socket type; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |