Patent record, Patent # 868,122

[Trade Journal]

Publication: Western Electrician

Chicago, IL, United States
vol. 41, no. 17, p. 345, col. 1


Issued (United States Patent Office) October 15, 1907.


NO. 868,122.  INSULATOR
No. 868,122. Insulator


868,122. Electric Insulator. Francis J. Poinan, Rochester, N. Y. Application filed July 30, 1906.

This insulator is made in several parts. The lower part is of glass and has a sleeve and head fitting over the pin, and flaring conical petticoat. The top of the insulator is of different material and is made in three parts cemented together. (See cut.)


Keywords:Insulator : Patent
Researcher notes: 
Supplemental information: Patent: 868,122
Researcher:Bob Stahr
Date completed:October 2, 2009 by: Bob Stahr;