Patent information:
| Patent: | Utility 2,281,173 |
| Patented: | April 28, 1942 |
| Applied: | January 10, 1940 |
| Title: | Insulator and Method of Producing Conducting Coating Thereon |
| Description: | RFI prevention using an inexpensive glaze coating |
| Category: | RFI |
| Assigned to: | Victor Insulators, Inc. |
Patentee Information:
Class and subclass information:
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 209 | STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.); Discontinuous or differential coating, impregnation or bond (e.g., artwork, printing, retouched photograph, etc.); Including metal layer; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 140C | INSULATORS; Combined; With conductive arcing or stress distributing means; Coated; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 427 | COATING PROCESSES |
| Subclass: | 287 | NONUNIFORM COATING; Metal, glass, or ceramic base; |
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 210 | STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.); Discontinuous or differential coating, impregnation or bond (e.g., artwork, printing, retouched photograph, etc.); Including ceramic, glass, porcelain or quartz layer; |
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 446 | COMPOSITE (NONSTRUCTURAL LAMINATE); Of silicon containing (not as silicon alloy); |
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 454 | COMPOSITE (NONSTRUCTURAL LAMINATE); Of silicon containing (not as silicon alloy); Sand, clay or mica (silica excluded); |
Known specimens:
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Drawings:
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