CA178406A - Railway signal torpedo - Google Patents

Railway signal torpedo

Info

Publication number
CA178406A
CA178406A CA000178406A CA178406DA CA178406A CA 178406 A CA178406 A CA 178406A CA 000178406 A CA000178406 A CA 000178406A CA 178406D A CA178406D A CA 178406DA CA 178406 A CA178406 A CA 178406A
Authority
CA
Canada
Prior art keywords
railway signal
signal torpedo
torpedo
railway
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
CA000178406A
Other languages
French (fr)
Inventor
Frank Dutcher
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.)
CENTRAL RAILWAY SIGNAL Co
Original Assignee
CENTRAL 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 CENTRAL RAILWAY SIGNAL Co filed Critical CENTRAL RAILWAY SIGNAL Co
Application granted granted Critical
Publication of CA178406A publication Critical patent/CA178406A/en
Expired legal-status Critical Current

Links

CA000178406A 1917-05-28 1917-05-28 Railway signal torpedo Expired CA178406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178406T 1917-05-28

Publications (1)

Publication Number Publication Date
CA178406A true CA178406A (en) 1917-07-24

Family

ID=45298059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178406A Expired CA178406A (en) 1917-05-28 1917-05-28 Railway signal torpedo

Country Status (1)

Country Link
CA (1) CA178406A (en)

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