CA71309A - Telephone exchange apparatus - Google Patents

Telephone exchange apparatus

Info

Publication number: CA71309A
Authority: CA; Canada
Prior art keywords: telephone exchange; exchange apparatus; telephone; exchange
Prior art date: 1897-03-02
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

CA000071309A

Other languages

French (fr)

Inventor

Charles Ezra Scribner

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.)

Bell Telephone Company of Canada

Original Assignee

Bell Telephone Company of Canada

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.)

1897-03-02

Filing date

1897-03-02

Publication date

1901-05-14

1897-03-02 Application filed by Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada

1901-05-14 Application granted granted Critical

1901-05-14 Publication of CA71309A publication Critical patent/CA71309A/en

Status Expired legal-status Critical Current

Links

CA000071309A 1897-03-02 1897-03-02 Telephone exchange apparatus Expired CA71309A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA71309T		1897-03-02

Publications (1)

Publication Number	Publication Date
CA71309A true CA71309A (en)	1901-05-14

Family

ID=45187846

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000071309A Expired CA71309A (en)	1897-03-02	1897-03-02	Telephone exchange apparatus

Country Status (1)

Country	Link
CA (1)	CA71309A (en)

1897
- 1897-03-02 CA CA000071309A patent/CA71309A/en not_active Expired

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