CA174223A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA174223A
CA174223A CA000174223A CA174223DA CA174223A CA 174223 A CA174223 A CA 174223A CA 000174223 A CA000174223 A CA 000174223A CA 174223D A CA174223D A CA 174223DA CA 174223 A CA174223 A CA 174223A
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
CA000174223A
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 CA174223A publication Critical patent/CA174223A/en
Expired legal-status Critical Current

Links

CA000174223A 1915-12-30 1915-12-30 Telephone system Expired CA174223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA174223T 1915-12-30

Publications (1)

Publication Number Publication Date
CA174223A true CA174223A (en) 1916-12-26

Family

ID=45293876

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000174223A Expired CA174223A (en) 1915-12-30 1915-12-30 Telephone system

Country Status (1)

Country Link
CA (1) CA174223A (en)

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