Patent information:

Patent:Utility 1,750,770
Patented:March 18, 1930
Applied:August 2, 1922
Title:Insulator Pin
Description:Steel pin with supporting base that fits over top and edge of wooden crossarm
Category:Pin
Assigned to:The Ohio Brass Co.

Patentee Information:

AUSTIN, Arthur O. Barberton, OH

Class and subclass information:

Class:248SUPPORTS
Subclass:226.12BRACKETS Specially mounted or attached Bracket clamped to mount (i.e., single clamp) For electrical insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:155INSULATORS Insulator and conductor embracing holder Divided insulator;
Class:248SUPPORTS
Subclass:222.41BRACKETS Specially mounted or attached Interlocked bracket and support Keyhole aperture;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:356HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP Penetrating pin securing means;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1