Patent information:

Patent:Utility 1,381,838
Patented:June 14, 1921
Applied:March 30, 1920
Title:Insulator Support
Description:Steel pins for crossarm made from one metal rod integral to the wooden crossarm and acts a braces for the crossarm.
Category:Pin
Assigned to: 

Patentee Information:

JACKSON, Berry B. Mudlick, KY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:149RINSULATORS Multiple insulator assemblies Multiple conductor;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:158RINSULATORS With insulator-supporting or attaching means;
Class:52STATIC STRUCTURES (E.G., BUILDINGS)
Subclass:697OPENWORK E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR Shaft with truss-braced cross-arm;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1