CA300233A - Cadran d'appels de telephone - Google Patents

Cadran d'appels de telephone

Info

Publication number: CA300233A
Authority: CA; Canada
Prior art keywords: telephone calling; calling dial; dial; telephone; calling
Prior art date: 1930-05-13
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

CA300233A

Other languages

English (en)

Inventor

Fred Miller Victor

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 Inc

Original Assignee

Western Electric Co Inc

Publication date

1930-05-13

1930-05-13 Application granted granted Critical

1930-05-13 Publication of CA300233A publication Critical patent/CA300233A/fr

Status Expired legal-status Critical Current

Links

CA300233A Cadran d'appels de telephone Expired CA300233A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA300233T

Publications (1)

Publication Number	Publication Date
CA300233A true CA300233A (fr)	1930-05-13

Family

ID=35237552

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA300233A Expired CA300233A (fr)			Cadran d'appels de telephone

Country Status (1)

Country	Link
CA (1)	CA300233A (fr)

0
- CA CA300233A patent/CA300233A/fr not_active Expired

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