CA726811A - Interlocking system for railroads - Google Patents

Interlocking system for railroads

Info

Publication number
CA726811A
CA726811A CA726811A CA726811DA CA726811A CA 726811 A CA726811 A CA 726811A CA 726811 A CA726811 A CA 726811A CA 726811D A CA726811D A CA 726811DA CA 726811 A CA726811 A CA 726811A
Authority
CA
Canada
Prior art keywords
railroads
interlocking system
interlocking
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
CA726811A
Inventor
L. Livingston Waltrus
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 Corp
Original Assignee
Waltrus L Livingston
General Signal Corp
Publication date
Application granted granted Critical
Publication of CA726811A publication Critical patent/CA726811A/en
Expired legal-status Critical Current

Links

CA726811A Interlocking system for railroads Expired CA726811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA726811T

Publications (1)

Publication Number Publication Date
CA726811A true CA726811A (en) 1966-01-25

Family

ID=36065720

Family Applications (1)

Application Number Title Priority Date Filing Date
CA726811A Expired CA726811A (en) Interlocking system for railroads

Country Status (1)

Country Link
CA (1) CA726811A (en)

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