CA453306A - Telephone system - Google Patents

Telephone system

Info

Publication number: CA453306A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1948-12-14
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

CA453306A

Other languages

French (fr)

Inventor

L. Burgener Karl

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.)

Nortel Networks Ltd

Original Assignee

Northern Electric Co Ltd

Publication date

1948-12-14

1948-12-14 Application granted granted Critical

1948-12-14 Publication of CA453306A publication Critical patent/CA453306A/en

Status Expired legal-status Critical Current

Links

CA453306A Telephone system Expired CA453306A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA453306T

Publications (1)

Publication Number	Publication Date
CA453306A true CA453306A (en)	1948-12-14

Family

ID=35571035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA453306A Expired CA453306A (en)			Telephone system

Country Status (1)

Country	Link
CA (1)	CA453306A (en)

0
- CA CA453306A patent/CA453306A/en not_active Expired

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