Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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CBS Corp
Original Assignee
Westinghouse Electric Corp
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Filing date
Publication date
Application filed by Westinghouse Electric CorpfiledCriticalWestinghouse Electric Corp
Application grantedgrantedCritical
Publication of FR451056ApublicationCriticalpatent/FR451056A/en
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/12—Visible signals
B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
B61L5/1809—Daylight signals
B61L5/1881—Wiring diagrams for power supply, control or testing
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR451056D1911-12-051912-11-27
Improvements to signal devices
ExpiredFR451056A
(en)