CA185876A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA185876A
CA185876A CA000185876A CA185876DA CA185876A CA 185876 A CA185876 A CA 185876A CA 000185876 A CA000185876 A CA 000185876A CA 185876D A CA185876D A CA 185876DA CA 185876 A CA185876 A CA 185876A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA000185876A
Other languages
French (fr)
Inventor
Charles Lane
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA185876A publication Critical patent/CA185876A/en
Expired legal-status Critical Current

Links

CA000185876A 1917-09-24 1917-09-24 Telephone system Expired CA185876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA185876T 1917-09-24

Publications (1)

Publication Number Publication Date
CA185876A true CA185876A (en) 1918-07-30

Family

ID=45305528

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000185876A Expired CA185876A (en) 1917-09-24 1917-09-24 Telephone system

Country Status (1)

Country Link
CA (1) CA185876A (en)

Similar Documents

Publication Publication Date Title
CA187344A (en) Telephone exchange system
CA185876A (en) Telephone system
CA177357A (en) Telephone system
CA179339A (en) Telephone system
CA179488A (en) Telephone system
CA179851A (en) Telephone system
CA179852A (en) Telephone system
CA181124A (en) Telephone system
CA181320A (en) Telephone system
CA181397A (en) Telephone system
CA181400A (en) Telephone system
CA181937A (en) Telephone system
CA183490A (en) Telephone system
CA186185A (en) Telephone system
CA186302A (en) Telephone system
CA186406A (en) Telephone system
CA186742A (en) Telephone system
CA186836A (en) Telephone system
CA187549A (en) Telephone system
CA187775A (en) Telephone system
CA186089A (en) Telephone set
CA181331A (en) Telephone signalling system
CA173704A (en) Telephone exchange system
CA177248A (en) Telephone exchange system
CA182429A (en) Telephone exchange system