CA129736A - Signal pour echange telephonique - Google Patents

Signal pour echange telephonique

Info

Publication number
CA129736A
CA129736A CA000129736A CA129736DA CA129736A CA 129736 A CA129736 A CA 129736A CA 000129736 A CA000129736 A CA 000129736A CA 129736D A CA129736D A CA 129736DA CA 129736 A CA129736 A CA 129736A
Authority
CA
Canada
Prior art keywords
signal
telephone exchanges
exchanges
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
CA000129736A
Other languages
English (en)
Inventor
George W. Lorimer
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 CA129736A publication Critical patent/CA129736A/fr
Expired legal-status Critical Current

Links

CA000129736A 1906-04-21 1906-04-21 Signal pour echange telephonique Expired CA129736A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA129736T 1906-04-21

Publications (1)

Publication Number Publication Date
CA129736A true CA129736A (fr) 1910-12-06

Family

ID=45249457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000129736A Expired CA129736A (fr) 1906-04-21 1906-04-21 Signal pour echange telephonique

Country Status (1)

Country Link
CA (1) CA129736A (fr)

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