CA319235A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA319235A
CA319235A CA319235A CA319235DA CA319235A CA 319235 A CA319235 A CA 319235A CA 319235 A CA319235 A CA 319235A CA 319235D A CA319235D A CA 319235DA CA 319235 A CA319235 A CA 319235A
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
CA319235A
Other languages
French (fr)
Inventor
Kessler Frank
Stanley Deyes Herbert
Scowcroft Jack
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA319235A publication Critical patent/CA319235A/en
Expired legal-status Critical Current

Links

CA319235A Telephone system Expired CA319235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA319235T

Publications (1)

Publication Number Publication Date
CA319235A true CA319235A (en) 1932-01-26

Family

ID=35279790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319235A Expired CA319235A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA319235A (en)

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