Title:
RAILWAY SAFETY APPARATUS
United States Patent 3544960


Inventors:
Hayes, Brice E.
Application Number:
US3544960DA
Publication Date:
12/01/1970
Filing Date:
04/25/1968
Assignee:
HAYES TRACK APPLIANCE CO
Primary Class:
Other Classes:
246/163, 246/222, 246/253, 340/689
International Classes:
B61L7/08; (IPC1-7): B61L5/18; B61L7/10
View Patent Images:
US Patent References:
3228019Adjustable boom angle warning device1966-01-04
3128448Rear window blinker light1964-04-07
3085238Railroad safety light1963-04-09
2473187Automobile disappearing warning signal1949-06-14
2420066Landing gear control and indicating arrangement1947-05-06
1714074Safety railway gate1929-05-21
1604014Railroad-crossing gate1926-10-19
1142807N/A1915-06-15
0627243N/A1899-06-20
0269955N/A1883-01-02
Foreign References:
GB189601563A1897-01-02