Patent information:

Patent:Utility 2,286,488
Patented:June 16, 1942
Applied:July 24, 1940
Title:Spool Insulator
Description:Spool insulator with deep side groove
Category:Spool
Assigned to:Porcelain Products, Inc.

Patentee Information:

JOHNSON, Lewis E. Arlington, TX

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1