Patent information:

Patent:Design 31,799
Patented:November 7, 1899
Applied:September 15, 1899
Title:Design for an Insulator
Description:CD 143 with vertical ridges
Category:Pin-type
Assigned to:11/20 to Clement Henry McLeod

Patentee Information:

WITHYCOMBE, Frederick H. Montreal, Quebec, Canada

Class and subclass information:

Class:D13EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY
Subclass:130 

Known specimens:

Number:CD 121
Number:CD 143

Drawings:

Drawing page 1

Page 1