Patent information:

Patent:Utility 2,274,955
Patented:March 3, 1942
Applied:September 17, 1940
Title:High Tension Electric Insulator and Method of Coating Same
Description:RFI: antimony coated top
Category:RFI
Assigned to:Victor Insulators, Inc.

Patentee Information:

DYKSTRA, Laurence J. Rochester, NY
MEYER, Edwin M. Rochester, NY

Class and subclass information:

Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:450COMPOSITE (NONSTRUCTURAL LAMINATE) Of silicon containing (not as silicon alloy) Next to metal;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:140CINSULATORS Combined With conductive arcing or stress distributing means Coated;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:209INSULATORS Sectional, multi-part, composite, or coated;
Class:427COATING PROCESSES
Subclass:58ELECTRICAL PRODUCT PRODUCED;
Class:427COATING PROCESSES
Subclass:314WITH PRETREATMENT OF THE BASE Heating or drying pretreatment;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:209STRUCTURALLY 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:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:702COMPOSITE (NONSTRUCTURAL LAMINATE) Of inorganic material Metal-compound-containing layer O-containing;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1