Patent information:

Patent:Utility 196,733
Patented:October 30, 1877
Applied:September 22, 1877
Title:Improvement in Forming Female Screw Threads in Glass Jars, Insulators, & c.
Description:Method of forming female threads inside the neck of jars and insulators
Category:Threads
Assigned to: 

Patentee Information:

WOODWARD, Theodore F. Winslow, NJ

Class and subclass information:

Class:65GLASS MANUFACTURING
Subclass:305PRESS MOLDING MACHINE;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1