CA230717A - Railway signal torpedo - Google Patents

Railway signal torpedo

Info

Publication number: CA230717A
Authority: CA; Canada
Prior art keywords: railway signal; signal torpedo; torpedo; railway; signal
Prior art date: 1923-05-01
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

CA230717A

Other languages

French (fr)

Inventor

Dutcher Frank

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

Publication date

1923-05-01

1923-05-01 Application granted granted Critical

1923-05-01 Publication of CA230717A publication Critical patent/CA230717A/en

Status Expired legal-status Critical Current

Links

CA230717A Railway signal torpedo Expired CA230717A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA230717T

Publications (1)

Publication Number	Publication Date
CA230717A true CA230717A (en)	1923-05-01

Family

ID=35128089

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA230717A Expired CA230717A (en)			Railway signal torpedo

Country Status (1)

Country	Link
CA (1)	CA230717A (en)

0
- CA CA230717A patent/CA230717A/en not_active Expired

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