CA492293A - Systemes de signalisation ou de commande electrique - Google Patents

Systemes de signalisation ou de commande electrique

Info

Publication number: CA492293A
Authority: CA; Canada
Prior art keywords: control systems; electric signalling; signalling; electric; systems
Prior art date: 1953-04-21
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

CA492293A

Other languages

English (en)

Inventor

M. S. Mcwhirter Eric

H. Dunn Roland

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric Corp

Publication date

1953-04-21

1953-04-21 Application granted granted Critical

1953-04-21 Publication of CA492293A publication Critical patent/CA492293A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA492293A Systemes de signalisation ou de commande electrique Expired CA492293A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA492293T

Publications (1)

Publication Number	Publication Date
CA492293A true CA492293A (fr)	1953-04-21

Family

ID=35637672

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA492293A Expired CA492293A (fr)			Systemes de signalisation ou de commande electrique

Country Status (1)

Country	Link
CA (1)	CA492293A (fr)

0
- CA CA492293A patent/CA492293A/fr not_active Expired

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