CA51559A - Circuit indicateur pour appareil d'echange de telephone - Google Patents

Circuit indicateur pour appareil d'echange de telephone

Info

Publication number
CA51559A
CA51559A CA000051559A CA51559DA CA51559A CA 51559 A CA51559 A CA 51559A CA 000051559 A CA000051559 A CA 000051559A CA 51559D A CA51559D A CA 51559DA CA 51559 A CA51559 A CA 51559A
Authority
CA
Canada
Prior art keywords
telephone switchboard
annunciator circuit
annunciator
circuit
switchboard
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
CA000051559A
Other languages
English (en)
Inventor
Charles Ezra Scribner
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 CA51559A publication Critical patent/CA51559A/fr
Expired legal-status Critical Current

Links

CA000051559A 1895-08-23 1895-08-23 Circuit indicateur pour appareil d'echange de telephone Expired CA51559A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA51559T 1895-08-23

Publications (1)

Publication Number Publication Date
CA51559A true CA51559A (fr) 1896-03-05

Family

ID=45168098

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000051559A Expired CA51559A (fr) 1895-08-23 1895-08-23 Circuit indicateur pour appareil d'echange de telephone

Country Status (1)

Country Link
CA (1) CA51559A (fr)

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