Patent information:

Patent:Utility 1,413,023
Patented:April 18, 1922
Applied:May 26, 1920
Title:Method and Means for Forming Passages in Plastic Material
Description:Suspension Hewlett design, method of cutting ring hole
Category:Suspension
Assigned to:Locke Insulator Corp.

Patentee Information:

GOUVERNEUR, Minor F. H. Rochester, NY

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:155WITH SEVERING, REMOVING MATERIAL FROM PREFORM MECHANICALLY, OR MECHANICALLY SUBDIVIDING WORKPIECE Making hole or aperture in article By punching or drilling;
Class:29METAL WORKING
Subclass:557METHOD OF MECHANICAL MANUFACTURE Shaping one-piece blank by removing material;
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:308PREFORM SEVERING MEANS Means forming from bulk and downstream severing means;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1