CA412796A - Systeme d'appels - Google Patents

Systeme d'appels

Info

Publication number: CA412796A
Authority: CA; Canada
Prior art keywords: signalling system; signalling
Prior art date: 1943-05-25
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

CA412796A

Other languages

English (en)

Inventor

Manvers Pruden Harold

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

1943-05-25

1943-05-25 Application granted granted Critical

1943-05-25 Publication of CA412796A publication Critical patent/CA412796A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA412796A Systeme d'appels Expired CA412796A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA412796T

Publications (1)

Publication Number	Publication Date
CA412796A true CA412796A (fr)	1943-05-25

Family

ID=35521963

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA412796A Expired CA412796A (fr)			Systeme d'appels

Country Status (1)

Country	Link
CA (1)	CA412796A (fr)

0
- CA CA412796A patent/CA412796A/fr not_active Expired

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