CA387165A - Systeme et appareil de signalisation - Google Patents

Systeme et appareil de signalisation

Info

Publication number: CA387165A
Authority: CA; Canada
Prior art keywords: signalling system; signalling
Prior art date: 1940-02-27
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

CA387165A

Other languages

English (en)

Inventor

Hoover Ray

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.)

Western Union Telegraph Co

Original Assignee

Western Union Telegraph Co

Publication date

1940-02-27

1940-02-27 Application granted granted Critical

1940-02-27 Publication of CA387165A publication Critical patent/CA387165A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA387165A Systeme et appareil de signalisation Expired CA387165A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA387165T

Publications (1)

Publication Number	Publication Date
CA387165A true CA387165A (fr)	1940-02-27

Family

ID=35392378

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA387165A Expired CA387165A (fr)			Systeme et appareil de signalisation

Country Status (1)

Country	Link
CA (1)	CA387165A (fr)

0
- CA CA387165A patent/CA387165A/fr not_active Expired

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