Patent information:

Patent:Utility 451,950
Patented:May 12, 1891
Applied:August 17, 1889
Title:Electric Insulator
Description:CD 262, CD 263, CD 264, eyes for tie wire
Category:Insulator
Assigned to: 

Patentee Information:

OAKMAN, Samuel Melrose, MA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:167INSULATORS With conductor receiving aperture or bushing type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;

Known specimens:

Number:CD 262
Number:CD 263
Number:CD 264

Drawings:

Drawing page 1

Page 1