CA301960A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number: CA301960A
Authority: CA; Canada
Prior art keywords: signalling system; signalling
Prior art date: 1930-07-08
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

CA301960A

Other languages

English (en)

Inventor

T. Burton Everett

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 Corp

Original Assignee

Western Electric Co Inc

Publication date

1930-07-08

1930-07-08 Application granted granted Critical

1930-07-08 Publication of CA301960A publication Critical patent/CA301960A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA301960A Systeme de signalisation Expired CA301960A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA301960T

Publications (1)

Publication Number	Publication Date
CA301960A true CA301960A (fr)	1930-07-08

Family

ID=35255106

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA301960A Expired CA301960A (fr)			Systeme de signalisation

Country Status (1)

Country	Link
CA (1)	CA301960A (fr)

0
- CA CA301960A patent/CA301960A/fr not_active Expired

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