CA175398A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA175398A
CA175398A CA000175398A CA175398DA CA175398A CA 175398 A CA175398 A CA 175398A CA 000175398 A CA000175398 A CA 000175398A CA 175398D A CA175398D A CA 175398DA CA 175398 A CA175398 A CA 175398A
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
CA000175398A
Other languages
English (en)
Inventor
George A. Yanochowski
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 CA175398A publication Critical patent/CA175398A/fr
Expired legal-status Critical Current

Links

CA000175398A 1915-01-11 1915-01-11 Systeme telephonique Expired CA175398A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA175398T 1915-01-11

Publications (1)

Publication Number Publication Date
CA175398A true CA175398A (fr) 1917-02-27

Family

ID=45295051

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000175398A Expired CA175398A (fr) 1915-01-11 1915-01-11 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA175398A (fr)

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