Patent information:

Patent:Utility 1,567,027
Patented:December 29, 1925
Applied:October 10, 1923
Title:Insulator Threading Machine
Description:Machine to form threads in plastic clay
Category:Press
Assigned to:The Porcelain Insulator Corp.

Patentee Information:

BENNETT, Cornelius Van Dyke Lima, NY

Class and subclass information:

Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:267POTTERY WHEEL TYPE SUPPORT AND PROFILE Rotatable profile tool;
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:459PROFILE, JIGGER TOOL OR POTTER'S WHEEL PER SE;
Class:470 
Subclass:181 

Known specimens:

None known

Drawings:

Drawing page 1

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Drawing page 2

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Drawing page 3

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