Patent information:

Patent:Utility 684,909
Patented:October 22, 1901
Applied:August 10, 1901
Title:Insulating Bushing
Description:Bushing
Category:Bushing
Assigned to: 

Patentee Information:

COLE, John A. Boston, MA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:153GINSULATORS Through wall or plate Bushing type Opposed wall engaging means Grommets;
Class:285PIPE JOINTS OR COUPLINGS
Subclass:921SNAP-FIT;
Class:411EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Subclass:508HEADED FASTENER ELEMENT Having resilient securing structure on shank;
Class:439ELECTRICAL CONNECTORS
Subclass:557WITH SUPPORTING MEANS FOR COUPLING PART Coupling part or mating part extending into panel opening Including resilient securing Laterally flexed finger on coupling part;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1