CA387712A - Systeme de signalisation par ondes electriques - Google Patents

Systeme de signalisation par ondes electriques

Info

Publication number: CA387712A
Authority: CA; Canada
Prior art keywords: electric wave; signalling system; wave signalling; electric; wave
Prior art date: 1940-04-02
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

CA387712A

Other languages

English (en)

Inventor

G. Cooley Austin

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.)

Individual

Original Assignee

Individual

Publication date

1940-04-02

1940-04-02 Application granted granted Critical

1940-04-02 Publication of CA387712A publication Critical patent/CA387712A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA387712A Systeme de signalisation par ondes electriques Expired CA387712A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA387712T

Publications (1)

Publication Number	Publication Date
CA387712A true CA387712A (fr)	1940-04-02

Family

ID=35392910

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA387712A Expired CA387712A (fr)			Systeme de signalisation par ondes electriques

Country Status (1)

Country	Link
CA (1)	CA387712A (fr)

0
- CA CA387712A patent/CA387712A/fr not_active Expired

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