CA489678A - Interlocking control apparatus - Google Patents

Interlocking control apparatus

Info

Publication number
CA489678A
CA489678A CA489678A CA489678DA CA489678A CA 489678 A CA489678 A CA 489678A CA 489678 A CA489678 A CA 489678A CA 489678D A CA489678D A CA 489678DA CA 489678 A CA489678 A CA 489678A
Authority
CA
Canada
Prior art keywords
control apparatus
interlocking control
interlocking
control
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
CA489678A
Other languages
French (fr)
Inventor
A. Mccann Ronald
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
Publication date
Application granted granted Critical
Publication of CA489678A publication Critical patent/CA489678A/en
Expired legal-status Critical Current

Links

CA489678A Interlocking control apparatus Expired CA489678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489678T

Publications (1)

Publication Number Publication Date
CA489678A true CA489678A (en) 1953-01-13

Family

ID=35629406

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489678A Expired CA489678A (en) Interlocking control apparatus

Country Status (1)

Country Link
CA (1) CA489678A (en)

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