Patent information:

Patent:Utility 1,381,594
Patented:June 14, 1921
Applied:May 28, 1919
Title:Strain-Insulator Sign
Description:Combination strain insulator and sign to indicate voltage, etc. Car-Stop They were made by the American Porcelain Co.
Category:Strain
Assigned to: 

Patentee Information:

SAUEREISEN, Christian F. West View, PA

Class and subclass information:

Class:40CARD, PICTURE, OR SIGN EXHIBITING
Subclass:617 

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1