Patent information:

Patent:Utility 1,171,267
Patented:February 8, 1916
Applied:January 4, 1915
Title:Insulator for Electrically Charged Wires
Description:Wall tube with metal gripping strip
Category:Wall Tube
Assigned to: 

Patentee Information:

SMITH, George R. Arlington, MD

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:152GINSULATORS Through wall or plate Bushing type Grommets or tubes;
Class:16MISCELLANEOUS HARDWARE
Subclass:2.2BUSHING Providing a restricted or insulated environment (i.e., sealable) for internal elements;
Class:16MISCELLANEOUS HARDWARE
Subclass:108FERRULES, RINGS, AND THIMBLES;
Class:403JOINTS AND CONNECTIONS
Subclass:372INTERFITTED MEMBERS Radially interposed shim or bushing Resilient;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1