Patent information:

Patent:Utility 838,537
Patented:December 18, 1906
Applied:April 9, 1906
Title:Cross Arm for Electrical Construction
Description:Steel crossarm with threaded pins on top and threaded holes underneath for hooks
Category:Crossarm
Assigned to: 

Patentee Information:

HAMILTON, Evlyn S. Adrian, MI

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:149RINSULATORS Multiple insulator assemblies Multiple conductor;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:170INSULATORS With conductor holding means Fitting or terminal type Hooks;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1