Patent information:

Patent:Utility 3,582,538
Patented:June 1, 1971
Applied:December 22, 1969
Title:Prestressed Insulator
Description:Prestressing post type insulators by making porcelain in compression in order to increase cantilever load
Category:Post Type
Assigned to:Interpace Corp.

Patentee Information:

KILLIAN, Stanley C. Le Roy, NY
DEWEY, Benjamin F. Le Roy, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:158RINSULATORS With insulator-supporting or attaching means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:169INSULATORS With conductor holding means Fitting or terminal type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:178INSULATORS With terminal elements Plural Multi-part, sectional or composite insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:179INSULATORS With terminal elements Plural Multi-part, sectional or composite insulator Protected rod type;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2