CA69773A - Echange de telephone - Google Patents

Echange de telephone

Info

Publication number
CA69773A
CA69773A CA000069773A CA69773DA CA69773A CA 69773 A CA69773 A CA 69773A CA 000069773 A CA000069773 A CA 000069773A CA 69773D A CA69773D A CA 69773DA CA 69773 A CA69773 A CA 69773A
Authority
CA
Canada
Prior art keywords
telephone switchboard
switchboard
telephone
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
CA000069773A
Other languages
English (en)
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 CA69773A publication Critical patent/CA69773A/fr
Expired legal-status Critical Current

Links

CA000069773A 1899-08-31 1899-08-31 Echange de telephone Expired CA69773A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA69773T 1899-08-31

Publications (1)

Publication Number Publication Date
CA69773A true CA69773A (fr) 1900-12-27

Family

ID=45186311

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000069773A Expired CA69773A (fr) 1899-08-31 1899-08-31 Echange de telephone

Country Status (1)

Country Link
CA (1) CA69773A (fr)

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