CA193388A - Railway traffic controlling system - Google Patents

Railway traffic controlling system

Info

Publication number
CA193388A
CA193388A CA000193388A CA193388DA CA193388A CA 193388 A CA193388 A CA 193388A CA 000193388 A CA000193388 A CA 000193388A CA 193388D A CA193388D A CA 193388DA CA 193388 A CA193388 A CA 193388A
Authority
CA
Canada
Prior art keywords
controlling system
railway traffic
traffic controlling
railway
traffic
Prior art date
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.)
Expired
Application number
CA000193388A
Other languages
French (fr)
Inventor
Lloyd V. Lewis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Application granted granted Critical
Publication of CA193388A publication Critical patent/CA193388A/en
Expired legal-status Critical Current

Links

CA000193388A 1918-08-03 1918-08-03 Railway traffic controlling system Expired CA193388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA193388T 1918-08-03

Publications (1)

Publication Number Publication Date
CA193388A true CA193388A (en) 1919-10-21

Family

ID=45313039

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000193388A Expired CA193388A (en) 1918-08-03 1918-08-03 Railway traffic controlling system

Country Status (1)

Country Link
CA (1) CA193388A (en)

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