Hot bearing signal
United States Patent 2952238
US Patent References:
Flag or pennant spreader
- - 1646467

Thermal alarm
- - 2203414


Inventors:
Barber, Franklin D.
Publication Date:
09/13/1960
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Assignee:
STANDARD CAR TRUCK CO
Primary Class:
116/101
Other Classes:
116/DIG.038, 277/319, 116/216, 277/549, 184/5.100, 116/214, 246/169A
International Classes:
B61K9/04; B61K9/00
Foreign References:
AT105445B