Patent information:
| Patent: | Utility 4,465,900 |
| Patented: | August 14, 1984 |
| Applied: | April 21, 1983 |
| Title: | High Voltage Glazed Porcelain Insulators |
| Description: | Porcelain insulator and glaze designed specifically for DC service |
| Category: | Porcelain |
| Assigned to: | NGK Insulators, Ltd. |
Patentee Information:
| SEIKE, Shoji | Chita,, Japan |
| MITSUMATSU, Yoshio | Nagoya,, Japan |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 140C | INSULATORS; Combined; With conductive arcing or stress distributing means; Coated; |
Known specimens:
| None known |
Drawings:
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