CA175427A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA175427A
CA175427A CA000175427A CA175427DA CA175427A CA 175427 A CA175427 A CA 175427A CA 000175427 A CA000175427 A CA 000175427A CA 175427D A CA175427D A CA 175427DA CA 175427 A CA175427 A CA 175427A
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
CA000175427A
Other languages
French (fr)
Inventor
Albert Emmanuel Lundell
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA175427A publication Critical patent/CA175427A/en
Expired legal-status Critical Current

Links

CA000175427A 1916-03-23 1916-03-23 Telephone system Expired CA175427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA175427T 1916-03-23

Publications (1)

Publication Number Publication Date
CA175427A true CA175427A (en) 1917-02-27

Family

ID=45295080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000175427A Expired CA175427A (en) 1916-03-23 1916-03-23 Telephone system

Country Status (1)

Country Link
CA (1) CA175427A (en)

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