Patent information:

Patent:Utility 116,926
Patented:July 11, 1871
Applied:
Title:Improvement in Glass Presses
Description:Press for forming threads in insulators whereby the threaded mandrel remains in the insulator and removed after glass has set up
Category:Press
Assigned to: 

Patentee Information:

BROOKE, Aries P. New York, NY

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

Drawing page 2

Page 2