CA74249A - Systeme de telephone - Google Patents

Systeme de telephone

Info

Publication number
CA74249A
CA74249A CA000074249A CA74249DA CA74249A CA 74249 A CA74249 A CA 74249A CA 000074249 A CA000074249 A CA 000074249A CA 74249D A CA74249D A CA 74249DA CA 74249 A CA74249 A CA 74249A
Authority
CA
Canada
Prior art keywords
inter
telephone system
communicating telephone
communicating
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
CA000074249A
Other languages
English (en)
Inventor
Newman Henry Holland
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 CA74249A publication Critical patent/CA74249A/fr
Expired legal-status Critical Current

Links

CA000074249A 1901-06-11 1901-06-11 Systeme de telephone Expired CA74249A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA74249T 1901-06-11

Publications (1)

Publication Number Publication Date
CA74249A true CA74249A (fr) 1901-12-31

Family

ID=45190785

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000074249A Expired CA74249A (fr) 1901-06-11 1901-06-11 Systeme de telephone

Country Status (1)

Country Link
CA (1) CA74249A (fr)

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