Patent information:

Patent:Reissue 3,847
Patented:February 22, 1870
Applied:
Title:Improvement in Insulators
Description:Threads formed internally for screw pin (reissue of 48,906)
Category:Thread
Assigned to: 

Patentee Information:

CAUVET, Louis A. New York, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:202INSULATORS With terminal elements Pin type Screw or bayonet type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:149RINSULATORS Multiple insulator assemblies Multiple conductor;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1