CA318925A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number: CA318925A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1932-01-12
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

CA318925A

Other languages

English (en)

Inventor

Brightwell Johnson Herbert

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

1932-01-12

1932-01-12 Application granted granted Critical

1932-01-12 Publication of CA318925A publication Critical patent/CA318925A/fr

Status Expired legal-status Critical Current

Links

CA318925A Systeme telephonique Expired CA318925A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA318925T

Publications (1)

Publication Number	Publication Date
CA318925A true CA318925A (fr)	1932-01-12

Family

ID=35279480

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA318925A Expired CA318925A (fr)			Systeme telephonique

Country Status (1)

Country	Link
CA (1)	CA318925A (fr)

0
- CA CA318925A patent/CA318925A/fr not_active Expired

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