Patent information:

Patent:Utility 2,213,425
Patented:September 3, 1940
Applied:July 28, 1938
Title:Insulator Fastener
Description:Knob and bracket pin
Category:Knob
Assigned to:Western Wire Products Co.

Patentee Information:

YOUNG, Harry M. Webster Groves, MO

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:163FINSULATORS With insulator-supporting or attaching means Support and/or insulator embracing or clamping Fence post insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:166RINSULATORS With insulator-supporting or attaching means Support penetrating Through aperture, penetrating element clamped;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:451.1IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC. Including integral locking means Comprising protrusion or recess on shank;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:922NAIL, SPIKE OR TACK HAVING LOCKING DEVICE;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1