CA496196A - Systeme de telephone a barre de connexion - Google Patents

Systeme de telephone a barre de connexion

Info

Publication number: CA496196A
Authority: CA; Canada
Prior art keywords: cross bar; telephone system; bar telephone; cross; telephone
Prior art date: 1953-09-15
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

CA496196A

Other languages

English (en)

Inventor

J. Busch Aloysius

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

1953-09-15

1953-09-15 Application granted granted Critical

1953-09-15 Publication of CA496196A publication Critical patent/CA496196A/fr

Status Expired legal-status Critical Current

Links

CA496196A Systeme de telephone a barre de connexion Expired CA496196A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA496196T

Publications (1)

Publication Number	Publication Date
CA496196A true CA496196A (fr)	1953-09-15

Family

ID=35641616

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA496196A Expired CA496196A (fr)			Systeme de telephone a barre de connexion

Country Status (1)

Country	Link
CA (1)	CA496196A (fr)

0
- CA CA496196A patent/CA496196A/fr not_active Expired

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