CA88466A - Signal for telephone switch boards - Google Patents

Signal for telephone switch boards

Info

Publication number
CA88466A
CA88466A CA000088466A CA88466DA CA88466A CA 88466 A CA88466 A CA 88466A CA 000088466 A CA000088466 A CA 000088466A CA 88466D A CA88466D A CA 88466DA CA 88466 A CA88466 A CA 88466A
Authority
CA
Canada
Prior art keywords
signal
telephone switch
switch boards
boards
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
CA000088466A
Other languages
French (fr)
Inventor
Edwin Hutchison Smythe
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 CA88466A publication Critical patent/CA88466A/en
Expired legal-status Critical Current

Links

CA000088466A 1904-03-15 1904-03-15 Signal for telephone switch boards Expired CA88466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA88466T 1904-03-15

Publications (1)

Publication Number Publication Date
CA88466A true CA88466A (en) 1904-07-26

Family

ID=45205001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000088466A Expired CA88466A (en) 1904-03-15 1904-03-15 Signal for telephone switch boards

Country Status (1)

Country Link
CA (1) CA88466A (en)

Similar Documents

Publication Publication Date Title
CA88466A (en) Signal for telephone switch boards
CA88075A (en) Switch danger signal
CA94343A (en) Signal for telephone switchboards
CA90399A (en) Signal for electric switches
CA107510A (en) Signal
CA90556A (en) Signal
CA91962A (en) Signal
CA98712A (en) Signal
CA88514A (en) Telephone switchboard
CA87248A (en) Circuit breaker
CA89459A (en) Circuit breaker
CA89460A (en) Circuit breaker
CA91065A (en) Switch
CA88417A (en) Switch
CA90001A (en) Switch
CA90426A (en) Switch
CA93121A (en) Electric signal
CA86838A (en) Electric signal
AU34204A (en) An improved drawing board
CA93314A (en) Signal for telephone systems
CA89465A (en) Drawing board
CA96261A (en) Switch board cord
CA96778A (en) Switch for telephones
CA86839A (en) Electrical railway signal
CA92403A (en) Telephone