CA385236A - Systeme telephonique a reponse par secretaire - Google Patents

Systeme telephonique a reponse par secretaire

Info

Publication number: CA385236A
Authority: CA; Canada
Prior art keywords: telephone; answering system; secretarial answering; secretarial; telephone secretarial
Prior art date: 1939-11-21
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

CA385236A

Other languages

Inventor

Peterson Seth

Jr. Jules E. Gonseth

Original Assignee

Northern Electric Co Ltd

Publication date

1939-11-21

1939-11-21 Application granted granted Critical

1939-11-21 Publication of CA385236A publication Critical patent/CA385236A/fr

Status Expired legal-status Critical Current

CA385236A Systeme telephonique a reponse par secretaire Expired CA385236A (fr)

Application Number	Priority Date	Filing Date	Title
CA385236T

Publication Number	Publication Date
CA385236A true CA385236A (fr)	1939-11-21

Application Number	Title	Priority Date	Filing Date
CA385236A Expired CA385236A (fr)			Systeme telephonique a reponse par secretaire

Country	Link
CA (1)	CA385236A (fr)

Publication	Publication Date	Title
CA385236A (fr)	1939-11-21	Systeme telephonique a reponse par secretaire
CA379121A (fr)	1939-01-24	Systeme telephonique
CA379122A (fr)	1939-01-24	Systeme telephonique
CA379431A (fr)	1939-02-07	Systeme telephonique
CA379452A (fr)	1939-02-07	Systeme telephonique
CA379684A (fr)	1939-02-21	Systeme telephonique
CA379870A (fr)	1939-03-07	Systeme telephonique
CA380000A (fr)	1939-03-14	Systeme telephonique
CA380738A (fr)	1939-04-11	Systeme telephonique
CA380803A (fr)	1939-04-18	Systeme telephonique
CA381037A (fr)	1939-04-25	Systeme telephonique
CA381054A (fr)	1939-04-25	Systeme telephonique
CA381343A (fr)	1939-05-09	Systeme telephonique
CA382185A (fr)	1939-06-20	Systeme telephonique
CA383807A (fr)	1939-09-05	Systeme telephonique
CA383808A (fr)	1939-09-05	Systeme telephonique
CA383809A (fr)	1939-09-05	Systeme telephonique
CA383810A (fr)	1939-09-05	Systeme telephonique
CA383909A (fr)	1939-09-05	Systeme telephonique
CA384404A (fr)	1939-10-03	Systeme telephonique
CA385726A (fr)	1939-12-19	Systeme telephonique
CA381029A (fr)	1939-04-25	Support de telephone
CA381576A (fr)	1939-05-23	Systeme telephonique a intercommunications
CA381189A (fr)	1939-05-02	Systeme selecteur telephonique
AU111702B2 (en)	1940-10-24	Improvements in telephone systems