Patent Record #822,211

[Trade Journal]

Publication: Western Electrician

Chicago, IL, United States
vol. 38, no. 23, p. 486, col. 3


Issued (United States Patent Office) May 29, 1906.


NO. 822,211.  INSULATOR
No. 822,211. Insulator


822,211. Insulator. Fred M. Locke, Victor, N. Y. Application filed June 23, 1906.

A bell-shape porcelain center piece gradually increases in diameter from top to bottom and has a central threaded aperture extending upwardly from its lower face, the upper end of the center piece being substantially flat and parallel with its lower end face. A porcelain cap rests upon the flat upper end of the center piece. (See cut.)


Keywords:Fred Locke
Researcher notes: 
Supplemental information: Patent: 822,211
Researcher:Bob Stahr
Date completed:March 21, 2009 by: Bob Stahr;