CA158906A - Signal de telephone - Google Patents

Signal de telephone

Info

Publication number
CA158906A
CA158906A CA000158906A CA158906DA CA158906A CA 158906 A CA158906 A CA 158906A CA 000158906 A CA000158906 A CA 000158906A CA 158906D A CA158906D A CA 158906DA CA 158906 A CA158906 A CA 158906A
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
CA000158906A
Other languages
English (en)
Inventor
Alexander Ross
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 CA158906A publication Critical patent/CA158906A/fr
Expired legal-status Critical Current

Links

CA000158906A 1913-01-20 1913-01-20 Signal de telephone Expired CA158906A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA158906T 1913-01-20

Publications (1)

Publication Number Publication Date
CA158906A true CA158906A (fr) 1914-11-10

Family

ID=45278610

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000158906A Expired CA158906A (fr) 1913-01-20 1913-01-20 Signal de telephone

Country Status (1)

Country Link
CA (1) CA158906A (fr)

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