Patent information:

Patent:Utility 483,771
Patented:October 4, 1892
Applied:March 5, 1892
Title:Insulator
Description:Knob - self-tying Patent was owned by Pass & Seymour.
Category:Knob
Assigned to: 

Patentee Information:

SEYMOUR, Albert P. Syracuse, NY

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:130CORD AND ROPE HOLDERS One-piece Wedge slot;
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