CA409236A - Telephone system - Google Patents

Telephone system

Info

Publication number: CA409236A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1942-12-08
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

CA409236A

Other languages

French (fr)

Inventor

Henry Voss John

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

1942-12-08

1942-12-08 Application granted granted Critical

1942-12-08 Publication of CA409236A publication Critical patent/CA409236A/en

Status Expired legal-status Critical Current

Links

CA409236A Telephone system Expired CA409236A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA409236T

Publications (1)

Publication Number	Publication Date
CA409236A true CA409236A (en)	1942-12-08

Family

ID=35420537

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA409236A Expired CA409236A (en)			Telephone system

Country Status (1)

Country	Link
CA (1)	CA409236A (en)

0
- CA CA409236A patent/CA409236A/en not_active Expired

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