CA169962A - Systeme de signaux de division de voie ferree - Google Patents

Systeme de signaux de division de voie ferree

Info

Publication number
CA169962A
CA169962A CA000169962A CA169962DA CA169962A CA 169962 A CA169962 A CA 169962A CA 000169962 A CA000169962 A CA 000169962A CA 169962D A CA169962D A CA 169962DA CA 169962 A CA169962 A CA 169962A
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
CA000169962A
Other languages
English (en)
Inventor
Walter S. Levin
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.)
National Safety Appliance Co
Original Assignee
National Safety Appliance 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 National Safety Appliance Co filed Critical National Safety Appliance Co
Application granted granted Critical
Publication of CA169962A publication Critical patent/CA169962A/fr
Expired legal-status Critical Current

Links

CA000169962A 1915-11-29 1915-11-29 Systeme de signaux de division de voie ferree Expired CA169962A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA169962T 1915-11-29

Publications (1)

Publication Number Publication Date
CA169962A true CA169962A (fr) 1916-06-06

Family

ID=45289624

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000169962A Expired CA169962A (fr) 1915-11-29 1915-11-29 Systeme de signaux de division de voie ferree

Country Status (1)

Country Link
CA (1) CA169962A (fr)

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