Patent information:

Patent:Utility 1,175,077
Patented:March 14, 1916
Applied:May 4, 1914
Title:Sheet Metal Pole Arm
Description:Crossarm made of sheet metal.
Category:Crossarm
Assigned to: 

Patentee Information:

PEIRCE, JR., Charles L. Pittsburg, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:45ROVERHEAD Towers, poles or posts;
Class:52STATIC STRUCTURES (E.G., BUILDINGS)
Subclass:697OPENWORK E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR Shaft with truss-braced cross-arm;
Class:D25BUILDING UNITS AND CONSTRUCTION ELEMENTS
Subclass:134 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1