CA332383A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number: CA332383A
Authority: CA; Canada
Prior art keywords: exchange system; telephone exchange; telephone; exchange
Prior art date: 1933-05-09
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

CA332383A

Other languages

French (fr)

Inventor

Larimer Stokely Ray

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

1933-05-09

1933-05-09 Application granted granted Critical

1933-05-09 Publication of CA332383A publication Critical patent/CA332383A/en

Status Expired legal-status Critical Current

Links

CA332383A Telephone exchange system Expired CA332383A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA332383T

Publications (1)

Publication Number	Publication Date
CA332383A true CA332383A (en)	1933-05-09

Family

ID=35294753

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA332383A Expired CA332383A (en)			Telephone exchange system

Country Status (1)

Country	Link
CA (1)	CA332383A (en)

0
- CA CA332383A patent/CA332383A/en not_active Expired

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