CA159567A - Signal telephonique - Google Patents

Signal telephonique

Info

Publication number
CA159567A
CA159567A CA000159567A CA159567DA CA159567A CA 159567 A CA159567 A CA 159567A CA 000159567 A CA000159567 A CA 000159567A CA 159567D A CA159567D A CA 159567DA CA 159567 A CA159567 A CA 159567A
Authority
CA
Canada
Prior art keywords
telephone signal
telephone
signal
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
CA000159567A
Other languages
English (en)
Inventor
Thomas Kernan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA159567A publication Critical patent/CA159567A/fr
Expired legal-status Critical Current

Links

CA000159567A 1914-04-17 1914-04-17 Signal telephonique Expired CA159567A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159567T 1914-04-17

Publications (1)

Publication Number Publication Date
CA159567A true CA159567A (fr) 1914-12-15

Family

ID=45279271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159567A Expired CA159567A (fr) 1914-04-17 1914-04-17 Signal telephonique

Country Status (1)

Country Link
CA (1) CA159567A (fr)

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