CA82849A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number
CA82849A
CA82849A CA000082849A CA82849DA CA82849A CA 82849 A CA82849 A CA 82849A CA 000082849 A CA000082849 A CA 000082849A CA 82849D A CA82849D A CA 82849DA CA 82849 A CA82849 A CA 82849A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
Prior art date
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
CA000082849A
Other languages
French (fr)
Inventor
Joseph John O'connell
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.)
Filing date
Publication date
Application filed by Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA82849A publication Critical patent/CA82849A/en
Expired legal-status Critical Current

Links

CA000082849A 1901-02-19 1901-02-19 Telephone exchange system Expired CA82849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA82849T 1901-02-19

Publications (1)

Publication Number Publication Date
CA82849A true CA82849A (en) 1903-09-08

Family

ID=45199385

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000082849A Expired CA82849A (en) 1901-02-19 1901-02-19 Telephone exchange system

Country Status (1)

Country Link
CA (1) CA82849A (en)

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