Patent information:

Patent:Utility 633,173
Patented:September 19, 1899
Applied:February 2, 1899
Title:Insulator
Description:CD 121 and CD 143 with external projections to absorb mechanical shock - horizontal ridges
Category:Insulator
Assigned to:11/20 to Clement H. McLeod

Patentee Information:

WITHYCOMBE, Frederick H. Montreal, Quebec, Canada

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:211INSULATORS With moisture or dirt removing or shedding;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:212INSULATORS Surface configuration;

Known specimens:

Number:CD 121
Number:CD 143

Drawings:

Drawing page 1

Page 1