Patent information:

Patent:Utility 783,348
Patented:February 21, 1905
Applied:March 18, 1904
Title:Insulator
Description:Knob - self-tying
Category:Knob
Assigned to:1/2 to Francis McHenry

Patentee Information:

WRIGHT, Evans C. Portland, OR

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:24BUCKLES, BUTTONS, CLASPS, ETC.
Subclass:129RCORD AND ROPE HOLDERS One-piece;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:167INSULATORS With conductor receiving aperture or bushing type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:175INSULATORS With conductor holding means Insulator structure Self-retaining;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1