Patent information:

Patent:Utility 2,237,717
Patented:April 8, 1941
Applied:December 3, 1938
Title:Insulator Structure
Description:Wireholder with multiple grooves and lag screw
Category:Wireholder
Assigned to:1/3 to Karl Thielscher

Patentee Information:

STEWART, Lory B. Falconer, NY
STEWART, Alvin J. Falconer, 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:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:154INSULATORS Insulator and conductor embracing holder;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:439IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC.;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:920STAPLE;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1