Patent information:

Patent:Utility 989,231
Patented:April 11, 1911
Applied:June 5, 1908
Title:Insulator Support
Description:Knob bracket
Category:Knob
Assigned to: 

Patentee Information:

CHAMBERLAIN, Wilbur L. East Hartford, CT

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:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:161RINSULATORS With insulator-supporting or attaching means Adjustably or movably mounted;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2