Combined manual and automatic route control system for railroads
United States Patent 2775689
Inventors:
Pascoe, Frank T.
Publication Date:
12/25/1956
Assignee:
WESTINGHOUSE AIR BRAKE CO
Other Classes:
246/124, 104/26.100
International Classes:
B61L25/04; B61L25/00
US Patent References:
| 2184544 | Train describer system | | | |
| 2194352 | Car classification system for railroads | | | |
| 2255142 | Interlocking system for railroads | | | |
| 2520838 | Emergency control apparatus for gentralized traffic control systems | | | |
| 2576038 | Centralized traffic control system for the code control of interlocked switches and signals | | | |
| 2591036 | Block indicator for centralized traffic control systems | | | |
| 2592704 | Centralized traffic control system of the code type for the control of interlocked track switches and railway signals | | | |
| 2670434 | Train describer system | | | |