CA577767A - Systeme de telephone a plusieurs postes - Google Patents

Systeme de telephone a plusieurs postes

Info

Publication number: CA577767A
Authority: CA; Canada
Prior art keywords: telephone system; multiparty telephone; multiparty; telephone
Prior art date: 1959-06-16
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

CA577767A

Other languages

English (en)

Inventor

K. Low Frank

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

1959-06-16

1959-06-16 Application granted granted Critical

1959-06-16 Publication of CA577767A publication Critical patent/CA577767A/fr

Status Expired legal-status Critical Current

Links

CA577767A Systeme de telephone a plusieurs postes Expired CA577767A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA577767T

Publications (1)

Publication Number	Publication Date
CA577767A true CA577767A (fr)	1959-06-16

Family

ID=35753630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA577767A Expired CA577767A (fr)			Systeme de telephone a plusieurs postes

Country Status (1)

Country	Link
CA (1)	CA577767A (fr)

0
- CA CA577767A patent/CA577767A/fr not_active Expired

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