CA220101A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number: CA220101A
Authority: CA; Canada
Prior art keywords: telephone system; automatic telephone; automatic; telephone
Prior art date: 1922-06-27
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

CA220101A

Other languages

French (fr)

Inventor

C. Martin Talbot

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

Automatic Electric Co

Original Assignee

Northern Electric Co Ltd

Automatic Electric Co

Publication date

1922-06-27

1922-06-27 Application granted granted Critical

1922-06-27 Publication of CA220101A publication Critical patent/CA220101A/en

Status Expired legal-status Critical Current

Links

CA220101A Automatic telephone system Expired CA220101A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA220101T

Publications (1)

Publication Number	Publication Date
CA220101A true CA220101A (en)	1922-06-27

Family

ID=35114545

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA220101A Expired CA220101A (en)			Automatic telephone system

Country Status (1)

Country	Link
CA (1)	CA220101A (en)

0
- CA CA220101A patent/CA220101A/en not_active Expired

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