CA77374A - Appareil d'appel pour les lignes telephoniques privees - Google Patents

Appareil d'appel pour les lignes telephoniques privees

Info

Publication number
CA77374A
CA77374A CA000077374A CA77374DA CA77374A CA 77374 A CA77374 A CA 77374A CA 000077374 A CA000077374 A CA 000077374A CA 77374D A CA77374D A CA 77374DA CA 77374 A CA77374 A CA 77374A
Authority
CA
Canada
Prior art keywords
telephone lines
party telephone
calling apparatus
calling
party
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
CA000077374A
Other languages
English (en)
Inventor
Joseph John O'connell
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
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 Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA77374A publication Critical patent/CA77374A/fr
Expired legal-status Critical Current

Links

CA000077374A 1900-04-07 1900-04-07 Appareil d'appel pour les lignes telephoniques privees Expired CA77374A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA77374T 1900-04-07

Publications (1)

Publication Number Publication Date
CA77374A true CA77374A (fr) 1902-09-09

Family

ID=45193910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000077374A Expired CA77374A (fr) 1900-04-07 1900-04-07 Appareil d'appel pour les lignes telephoniques privees

Country Status (1)

Country Link
CA (1) CA77374A (fr)

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