CA496196A - Cross bar telephone system - Google Patents

Cross bar telephone system

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

French (fr)

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/en

Status Expired legal-status Critical Current

Links

CA496196A Cross bar telephone system Expired CA496196A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA496196T

Publications (1)

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

Family

ID=35641616

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA496196A Expired CA496196A (en)			Cross bar telephone system

Country Status (1)

Country	Link
CA (1)	CA496196A (en)

0
- CA CA496196A patent/CA496196A/en not_active Expired

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