CA53606A - Keyboard apparatus for telephone switchboards - Google Patents

Keyboard apparatus for telephone switchboards

Info

Publication number
CA53606A
CA53606A CA000053606A CA53606DA CA53606A CA 53606 A CA53606 A CA 53606A CA 000053606 A CA000053606 A CA 000053606A CA 53606D A CA53606D A CA 53606DA CA 53606 A CA53606 A CA 53606A
Authority
CA
Canada
Prior art keywords
keyboard apparatus
telephone switchboards
switchboards
telephone
keyboard
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
CA000053606A
Other languages
French (fr)
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 CA53606A publication Critical patent/CA53606A/en
Expired legal-status Critical Current

Links

CA000053606A 1896-09-04 1896-09-04 Keyboard apparatus for telephone switchboards Expired CA53606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA53606T 1896-09-04

Publications (1)

Publication Number Publication Date
CA53606A true CA53606A (en) 1896-09-28

Family

ID=45170145

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000053606A Expired CA53606A (en) 1896-09-04 1896-09-04 Keyboard apparatus for telephone switchboards

Country Status (1)

Country Link
CA (1) CA53606A (en)

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