CA178407A - Railway signal torpedo - Google Patents

Railway signal torpedo

Info

Publication number
CA178407A
CA178407A CA000178407A CA178407DA CA178407A CA 178407 A CA178407 A CA 178407A CA 000178407 A CA000178407 A CA 000178407A CA 178407D A CA178407D A CA 178407DA CA 178407 A CA178407 A CA 178407A
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
CA000178407A
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 CA178407A publication Critical patent/CA178407A/en
Expired legal-status Critical Current

Links

CA000178407A 1917-05-28 1917-05-28 Railway signal torpedo Expired CA178407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178407T 1917-05-28

Publications (1)

Publication Number Publication Date
CA178407A true CA178407A (en) 1917-07-24

Family

ID=45298060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178407A Expired CA178407A (en) 1917-05-28 1917-05-28 Railway signal torpedo

Country Status (1)

Country Link
CA (1) CA178407A (en)

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