CA140344A - Systeme de signaux de division de voies ferrees - Google Patents

Systeme de signaux de division de voies ferrees

Info

Publication number
CA140344A
CA140344A CA000140344A CA140344DA CA140344A CA 140344 A CA140344 A CA 140344A CA 000140344 A CA000140344 A CA 000140344A CA 140344D A CA140344D A CA 140344DA CA 140344 A CA140344 A CA 140344A
Authority
CA
Canada
Prior art keywords
signal system
block signal
block
signal
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
CA000140344A
Other languages
English (en)
Inventor
Wilmer Wesley Salmon
Frank Lemont Dodgson
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
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 General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of CA140344A publication Critical patent/CA140344A/fr
Expired legal-status Critical Current

Links

CA000140344A 1911-07-21 1911-07-21 Systeme de signaux de division de voies ferrees Expired CA140344A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA140344T 1911-07-21

Publications (1)

Publication Number Publication Date
CA140344A true CA140344A (fr) 1912-05-14

Family

ID=45260060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000140344A Expired CA140344A (fr) 1911-07-21 1911-07-21 Systeme de signaux de division de voies ferrees

Country Status (1)

Country Link
CA (1) CA140344A (fr)

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