CA167738A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number: CA167738A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1915-04-08
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

CA000167738A

Other languages

English (en)

Inventor

Alfred Hartwell Dyson

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

Priority date (The priority date 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 date listed.)

1915-04-08

Filing date

1915-04-08

Publication date

1916-02-22

1915-04-08 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc

1916-02-22 Application granted granted Critical

1916-02-22 Publication of CA167738A publication Critical patent/CA167738A/fr

Status Expired legal-status Critical Current

Links

CA000167738A 1915-04-08 1915-04-08 Systeme telephonique Expired CA167738A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA167738T		1915-04-08

Publications (1)

Publication Number	Publication Date
CA167738A true CA167738A (fr)	1916-02-22

Family

ID=45287408

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000167738A Expired CA167738A (fr)	1915-04-08	1915-04-08	Systeme telephonique

Country Status (1)

Country	Link
CA (1)	CA167738A (fr)

1915
- 1915-04-08 CA CA000167738A patent/CA167738A/fr not_active Expired

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