Patent information:

Patent:Utility 773,733
Patented:November 1, 1904
Applied:November 10, 1903
Title:Insulator
Description:Wall tube with ribs and metal clip
Category:Wall Tube
Assigned to: 

Patentee Information:

GREENE, Leon W. Brooklyn, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:153GINSULATORS Through wall or plate Bushing type Opposed wall engaging means Grommets;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:517FASTENER SECURING ELEMENT Resilient metallic Retainer ring;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1