CA232255A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number: CA232255A
Authority: CA; Canada
Prior art keywords: exchange system; telephone exchange; telephone; exchange
Prior art date: 1923-06-26
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

CA232255A

Other languages

French (fr)

Inventor

B. Strickler Walter

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.)

INTERNATIONAL WESTERN ELECTRIC Co

Original Assignee

INTERNATIONAL WESTERN ELECTRIC Co

Publication date

1923-06-26

1923-06-26 Application granted granted Critical

1923-06-26 Publication of CA232255A publication Critical patent/CA232255A/en

Status Expired legal-status Critical Current

Links

CA232255A Telephone exchange system Expired CA232255A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA232255T

Publications (1)

Publication Number	Publication Date
CA232255A true CA232255A (en)	1923-06-26

Family

ID=35129628

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA232255A Expired CA232255A (en)			Telephone exchange system

Country Status (1)

Country	Link
CA (1)	CA232255A (en)

0
- CA CA232255A patent/CA232255A/en not_active Expired

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