Patent information:

Patent:Utility 549,443
Patented:November 5, 1895
Applied:September 23, 1895
Title:Electric Supporting Insulator
Description:Knob
Category:Knob
Assigned to: 

Patentee Information:

COLLINS, Joseph Washington, DC

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:166RINSULATORS With insulator-supporting or attaching means Support penetrating Through aperture, penetrating element clamped;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1