Patent information:

Patent:Utility 1,056,392
Patented:March 18, 1913
Applied:December 18, 1911
Title:Insulator
Description:Bushing
Category:Bushing
Assigned to: 

Patentee Information:

BARR, Carl A. Chicago, IL
KOREN, Jerome H. Chicago, IL

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:153GINSULATORS Through wall or plate Bushing type Opposed wall engaging means Grommets;
Class:16MISCELLANEOUS HARDWARE
Subclass:2.2BUSHING Providing a restricted or insulated environment (i.e., sealable) for internal elements;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:337HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1