CA291203A - Systeme de commande de la circulation - Google Patents

Systeme de commande de la circulation

Info

Publication number: CA291203A
Authority: CA; Canada
Prior art keywords: controlling system; traffic controlling; traffic; controlling
Prior art date: 1929-07-09
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

CA291203A

Other languages

English (en)

Inventor

Walker Prescott Charles

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.)

SPX Technologies Inc

Original Assignee

General Railway Signal Co

Publication date

1929-07-09

1929-07-09 Application granted granted Critical

1929-07-09 Publication of CA291203A publication Critical patent/CA291203A/fr

Status Expired legal-status Critical Current

Links

CA291203A Systeme de commande de la circulation Expired CA291203A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA291203T

Publications (1)

Publication Number	Publication Date
CA291203A true CA291203A (fr)	1929-07-09

Family

ID=35228015

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA291203A Expired CA291203A (fr)			Systeme de commande de la circulation

Country Status (1)

Country	Link
CA (1)	CA291203A (fr)

0
- CA CA291203A patent/CA291203A/fr not_active Expired

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