CA179110A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA179110A
CA179110A CA000179110A CA179110DA CA179110A CA 179110 A CA179110 A CA 179110A CA 000179110 A CA000179110 A CA 000179110A CA 179110D A CA179110D A CA 179110DA CA 179110 A CA179110 A CA 179110A
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
CA000179110A
Other languages
French (fr)
Inventor
Harry E. Hershey
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 CA179110A publication Critical patent/CA179110A/en
Expired legal-status Critical Current

Links

CA000179110A 1915-06-29 1915-06-29 Telephone system Expired CA179110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179110T 1915-06-29

Publications (1)

Publication Number Publication Date
CA179110A true CA179110A (en) 1917-09-04

Family

ID=45298763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000179110A Expired CA179110A (en) 1915-06-29 1915-06-29 Telephone system

Country Status (1)

Country Link
CA (1) CA179110A (en)

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