CA460236A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA460236A
CA460236A CA460236A CA460236DA CA460236A CA 460236 A CA460236 A CA 460236A CA 460236 A CA460236 A CA 460236A CA 460236D A CA460236D A CA 460236DA CA 460236 A CA460236 A CA 460236A
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
CA460236A
Other languages
French (fr)
Inventor
Wayne Graybill Kenneth
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA460236A publication Critical patent/CA460236A/en
Expired legal-status Critical Current

Links

CA460236A Telephone system Expired CA460236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA460236T

Publications (1)

Publication Number Publication Date
CA460236A true CA460236A (en) 1949-10-11

Family

ID=35589907

Family Applications (1)

Application Number Title Priority Date Filing Date
CA460236A Expired CA460236A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA460236A (en)

Similar Documents

Publication Publication Date Title
CA453798A (en) Telephone system
CA457980A (en) Telephone system
CA459027A (en) Telephone system
CA454334A (en) Telephone system
CA455720A (en) Telephone system
CA456764A (en) Telephone system
CA457823A (en) Telephone system
CA460236A (en) Telephone system
CA461789A (en) Telephone system
CA458674A (en) Telephone system
CA459993A (en) Telephone system
CA454136A (en) Telephone system
CA459026A (en) Telephone system
CA460752A (en) Telecommunication system
CA456997A (en) Attachment for telephone bases
AU148169B2 (en) Telephone set
CA455983A (en) Loudspeaking telephone system
CA456582A (en) Key-sender for telecommunication system
CA457376A (en) Communication system
CA459021A (en) Communication system
CA456763A (en) Communication system
CA459347A (en) Telephone call-indicating facility
CA455024A (en) Telephone exchange system
CA460237A (en) Automatic telephone system
CA456451A (en) Automatic telephone system