Patent information:

Patent:Utility 419,642
Patented:January 21, 1890
Applied:July 8, 1889
Title:Insulator for Electric Wires
Description:Split ring with split ring holder and lag screw
Category:Split
Assigned to: 

Patentee Information:

CORNOG, Isaac P. Philadelphia, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:155INSULATORS Insulator and conductor embracing holder Divided insulator;
Class:24BUCKLES, BUTTONS, CLASPS, ETC.
Subclass:598.5SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF Including receiving member having cavity and mating member having insertable projection guided to interlock thereby Projection passes through cavity then moves toward noninserted portion of its member to complete interlock (e.g., snap hook) Hook type projection member Plural hooks entering opposite sides of same cavity;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:163RINSULATORS With insulator-supporting or attaching means Support and/or insulator embracing or clamping;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:164INSULATORS With insulator-supporting or attaching means Support penetrating;
Class:256FENCES
Subclass:47WIRE Connections;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:400EXTERNALLY THREADED FASTENER ELEMENT, E.G., BOLT, SCREW, ETC. Hook head, e.g., J-bolt, etc.;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1