CA468714A - Systemes et appareils selectifs de signalisation - Google Patents

Systemes et appareils selectifs de signalisation

Info

Publication number: CA468714A
Authority: CA; Canada
Prior art keywords: signalling systems; selective signalling; selective; systems; signalling
Prior art date: 1950-10-10
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

CA468714A

Other languages

English (en)

Inventor

J. Zenner Walter

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.)

AT&T Teletype Corp

Original Assignee

Teletype Corp

Publication date

1950-10-10

1950-10-10 Application granted granted Critical

1950-10-10 Publication of CA468714A publication Critical patent/CA468714A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA468714A Systemes et appareils selectifs de signalisation Expired CA468714A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA468714T

Publications (1)

Publication Number	Publication Date
CA468714A true CA468714A (fr)	1950-10-10

Family

ID=35602646

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA468714A Expired CA468714A (fr)			Systemes et appareils selectifs de signalisation

Country Status (1)

Country	Link
CA (1)	CA468714A (fr)

0
- CA CA468714A patent/CA468714A/fr not_active Expired

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