Patent information:

Patent:Utility 4,047,279
Patented:September 13, 1977
Applied:October 26, 1976
Title:Upgrading Current Distribution Insulators
Description:Miscellaneous insulator with male screw to receive existing insulator for upgrading
Category:Miscellaneous
Assigned to:W. Leon Sell/Ernest E. Pettit/R. Don Sell

Patentee Information:

PETTIT, Ernest E. Independence, MO

Class and subclass information:

Class:29METAL WORKING
Subclass:825METHOD OF MECHANICAL MANUFACTURE Electrical device making Conductor or circuit manufacturing;
Class:29METAL WORKING
Subclass:887METHOD OF MECHANICAL MANUFACTURE Electrical device making Insulator making;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:150INSULATORS Multiple insulator assemblies Strings and stacks;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:165INSULATORS With insulator-supporting or attaching means Support penetrating Penetrating element socketed in insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:195INSULATORS With terminal elements Pin type Multi-part insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:202INSULATORS With terminal elements Pin type Screw or bayonet type;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2