Patent record, Patent # 877,804

[Trade Journal]

Publication: Western Electrician

Chicago, IL, United States
vol. 42, no. 6, p. 134, col. 2


ILLUSTRATED ELECTRICAL PATENT RECORD.

Issued (United States Patent Office) January 21, 1908.

 

NO. 877,804.  INSULATOR FOR THIRD RAIL.
No. 877,804. Insulator for Third Rail.

 

877,804. Insulator for Heavy Conductors. Louis Steinberger, New York, N. Y. Application filed April 17, 1907.

This insulator for an inverted and protected third rail consists of of a saddle-shaped portion engaging the rail, and in which is embedded a metallic strengthening member of the same contour. The latter has two flanges extending upward into the head of the supporting bracket. (See cut.)

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Keywords:Third Rail Insulator : Patent
Researcher notes: 
Supplemental information: Patent: 877,804
Researcher:Bob Stahr
Date completed:October 3, 2009 by: Bob Stahr;