CA276674A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA276674A
CA276674A CA276674A CA276674DA CA276674A CA 276674 A CA276674 A CA 276674A CA 276674 A CA276674 A CA 276674A CA 276674D A CA276674D A CA 276674DA CA 276674 A CA276674 A CA 276674A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA276674A
Other languages
French (fr)
Inventor
Tench Frank
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA276674A publication Critical patent/CA276674A/en
Expired legal-status Critical Current

Links

CA276674A Telephone system Expired CA276674A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA276674T

Publications (1)

Publication Number Publication Date
CA276674A true CA276674A (en) 1927-12-27

Family

ID=35206706

Family Applications (1)

Application Number Title Priority Date Filing Date
CA276674A Expired CA276674A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA276674A (en)

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