Patent information:

Patent:Utility 461,631
Patented:October 20, 1891
Applied:July 30, 1891
Title:Insulating Support for Electric Conductors
Description:Oil insulator
Category:Oil
Assigned to: 

Patentee Information:

HEWETT, Robert J. St. Louis, MO

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:30WITH FLUIDS OR VACUUM Insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:31.5WITH FLUIDS OR VACUUM Insulators Axial passage and/or through wall or plate Liquid sealed joint;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:163RINSULATORS With insulator-supporting or attaching means Support and/or insulator embracing or clamping;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:169INSULATORS With conductor holding means Fitting or terminal type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:185INSULATORS With terminal elements Plural Overlapping Pin and opposed terminal;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:209INSULATORS Sectional, multi-part, composite, or coated;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:211INSULATORS With moisture or dirt removing or shedding;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1