CA173546A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA173546A
CA173546A CA000173546A CA173546DA CA173546A CA 173546 A CA173546 A CA 173546A CA 000173546 A CA000173546 A CA 000173546A CA 173546D A CA173546D A CA 173546DA CA 173546 A CA173546 A CA 173546A
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
CA000173546A
Other languages
French (fr)
Inventor
Henry Peter Clausen
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 CA173546A publication Critical patent/CA173546A/en
Expired legal-status Critical Current

Links

CA000173546A 1915-10-25 1915-10-25 Telephone system Expired CA173546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173546T 1915-10-25

Publications (1)

Publication Number Publication Date
CA173546A true CA173546A (en) 1916-11-28

Family

ID=45293199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173546A Expired CA173546A (en) 1915-10-25 1915-10-25 Telephone system

Country Status (1)

Country Link
CA (1) CA173546A (en)

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