Patent information:

Patent:Utility 482,297
Patented:September 6, 1892
Applied:May 21, 1891
Title:Electric Insulator
Description:Threaded externally with saddle groove and square hole
Category:Thread
Assigned to: 

Patentee Information:

CLARK, William H. Brooklyn, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:164INSULATORS With insulator-supporting or attaching means Support penetrating;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:212INSULATORS Surface configuration;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1