CA171894A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number: CA171894A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1914-11-24
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

CA000171894A

Other languages

English (en)

Inventor

Nils G. Palmgren

G.A. Betulander

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.)

BETULANDER AUTOMATIC TELEPHONE COMPANY Ltd

Original Assignee

BETULANDER AUTOMATIC TELEPHONE COMPANY Ltd

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.)

1914-11-24

Filing date

1914-11-24

Publication date

1916-09-12

1914-11-24 Application filed by BETULANDER AUTOMATIC TELEPHONE COMPANY Ltd filed Critical BETULANDER AUTOMATIC TELEPHONE COMPANY Ltd

1916-09-12 Application granted granted Critical

1916-09-12 Publication of CA171894A publication Critical patent/CA171894A/fr

Status Expired legal-status Critical Current

Links

CA000171894A 1914-11-24 1914-11-24 Systeme telephonique Expired CA171894A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA171894T		1914-11-24

Publications (1)

Publication Number	Publication Date
CA171894A true CA171894A (fr)	1916-09-12

Family

ID=45291552

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000171894A Expired CA171894A (fr)	1914-11-24	1914-11-24	Systeme telephonique

Country Status (1)

Country	Link
CA (1)	CA171894A (fr)

1914
- 1914-11-24 CA CA000171894A patent/CA171894A/fr not_active Expired

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