Portable railroad crossing signal

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Description

FIG. 1 is a front view of a portable railroad crossing signal showing my new design;

FIG. 2 is a side view thereof, with the opposite side being a mirror image; and,

FIG. 3 is a rear view thereof.

Referenced Cited
U.S. Patent Documents
1463217 July 1923 Kristofek
1903482 April 1933 Senseney, Jr.
1952250 March 1934 Hallowell et al.
2167564 July 1939 Fonda
2607835 August 1952 Bonar
3908947 September 1975 Bledsoe, Jr.
4134222 January 16, 1979 Orsos
4777750 October 18, 1988 Garfinkle
Patent History
Patent number: D357881
Type: Grant
Filed: Aug 16, 1993
Date of Patent: May 2, 1995
Assignee: Garry W. Viebrock (Jefferson City, MO)
Inventors: Bruce E. Chinn (Jefferson City, MO), Garry W. Viebrock (Jefferson City, MO)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Marcus Jackson
Attorney: Richard J. Grundstrom
Application Number: 0/11,782
Classifications
Current U.S. Class: D10/114