Patent information:

Patent:Utility 283,321
Patented:August 14, 1883
Applied:April 27, 1883
Title:Molding Screw Forms in Plastic Material
Description:Press for forming threads (referenced in one of the Brookfield/Elmer Glass lawsuits)
Category:Press
Assigned to: 

Patentee Information:

BROOKE, Homer Jersey City, NJ

Class and subclass information:

Class:65GLASS MANUFACTURING
Subclass:316PRESS MOLDING MACHINE With means to rotate plunger during withdrawal;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1