CA173672A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA173672A
CA173672A CA000173672A CA173672DA CA173672A CA 173672 A CA173672 A CA 173672A CA 000173672 A CA000173672 A CA 000173672A CA 173672D A CA173672D A CA 173672DA CA 173672 A CA173672 A CA 173672A
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
CA000173672A
Other languages
French (fr)
Inventor
Michael Schwartz
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 CA173672A publication Critical patent/CA173672A/en
Expired legal-status Critical Current

Links

CA000173672A 1913-06-23 1913-06-23 Telephone system Expired CA173672A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173672T 1913-06-23

Publications (1)

Publication Number Publication Date
CA173672A true CA173672A (en) 1916-12-05

Family

ID=45293325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173672A Expired CA173672A (en) 1913-06-23 1913-06-23 Telephone system

Country Status (1)

Country Link
CA (1) CA173672A (en)

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