Patent information:

Patent:Utility 1,530,298
Patented:March 17, 1925
Applied:February 21, 1923
Title:Knob
Description:Knob with side grooves
Category:Knob
Assigned to: 

Patentee Information:

CHAMBLESS, Young J. Panama City, FL
LEE, Ammie L. Panama City, FL

Class and subclass information:

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

Known specimens:

None known

Drawings:

Drawing page 1

Page 1