CA180374A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA180374A
CA180374A CA000180374A CA180374DA CA180374A CA 180374 A CA180374 A CA 180374A CA 000180374 A CA000180374 A CA 000180374A CA 180374D A CA180374D A CA 180374DA CA 180374 A CA180374 A CA 180374A
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
CA000180374A
Other languages
French (fr)
Inventor
Arthur Bessey Smith
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of CA180374A publication Critical patent/CA180374A/en
Expired legal-status Critical Current

Links

CA000180374A 1915-02-08 1915-02-08 Telephone system Expired CA180374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA180374T 1915-02-08

Publications (1)

Publication Number Publication Date
CA180374A true CA180374A (en) 1917-11-13

Family

ID=45300027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000180374A Expired CA180374A (en) 1915-02-08 1915-02-08 Telephone system

Country Status (1)

Country Link
CA (1) CA180374A (en)

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