CA178242A - Petard a signaux de chemins de fer - Google Patents

Petard a signaux de chemins de fer

Info

Publication number
CA178242A
CA178242A CA000178242A CA178242DA CA178242A CA 178242 A CA178242 A CA 178242A CA 000178242 A CA000178242 A CA 000178242A CA 178242D A CA178242D A CA 178242DA CA 178242 A CA178242 A CA 178242A
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
CA000178242A
Other languages
English (en)
Inventor
Elmer C. Pfeil
Otto Bemisderfer
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 CA178242A publication Critical patent/CA178242A/fr
Expired legal-status Critical Current

Links

CA000178242A 1917-02-12 1917-02-12 Petard a signaux de chemins de fer Expired CA178242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178242T 1917-02-12

Publications (1)

Publication Number Publication Date
CA178242A true CA178242A (fr) 1917-07-17

Family

ID=45297895

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178242A Expired CA178242A (fr) 1917-02-12 1917-02-12 Petard a signaux de chemins de fer

Country Status (1)

Country Link
CA (1) CA178242A (fr)

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