CA493486A - Systemes telephoniques - Google Patents

Systemes telephoniques

Info

Publication number: CA493486A
Authority: CA; Canada
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1953-06-09
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

CA493486A

Other languages

Inventor

E. Ostline John

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1953-06-09

1953-06-09 Application granted granted Critical

1953-06-09 Publication of CA493486A publication Critical patent/CA493486A/fr

Status Expired legal-status Critical Current

CA493486A Systemes telephoniques Expired CA493486A (fr)

Application Number	Priority Date	Filing Date	Title
CA493486T

Publication Number	Publication Date
CA493486A true CA493486A (fr)	1953-06-09

Application Number	Title	Priority Date	Filing Date
CA493486A Expired CA493486A (fr)			Systemes telephoniques

Country	Link
CA (1)	CA493486A (fr)

Publication	Publication Date	Title
CA495874A (fr)	1953-09-08	Systemes telephoniques
CA493123A (fr)	1953-05-26	Systemes telephoniques
CA498859A (fr)	1953-12-29	Systemes telephoniques
CA498036A (fr)	1953-12-01	Systemes telephoniques
CA497642A (fr)	1953-11-10	Systemes telephoniques
CA494014A (fr)	1953-06-30	Systemes telephoniques
CA493485A (fr)	1953-06-09	Systemes telephoniques
CA498762A (fr)	1953-12-29	Systemes telephoniques
CA497641A (fr)	1953-11-10	Systemes telephoniques
CA493483A (fr)	1953-06-09	Systemes telephoniques
CA491104A (fr)	1953-03-10	Systemes telephoniques
CA496514A (fr)	1953-09-29	Systemes telephoniques
CA497326A (fr)	1953-11-03	Systemes telephoniques
CA498037A (fr)	1953-12-01	Systemes telephoniques
CA496858A (fr)	1953-10-13	Systemes telephoniques
CA493889A (fr)	1953-06-23	Systemes telephoniques
CA497078A (fr)	1953-10-20	Systemes telephoniques
CA496513A (fr)	1953-09-29	Systemes telephoniques
CA493424A (fr)	1953-06-02	Systeme telephonique
CA491719A (fr)	1953-03-31	Systeme telephonique
CA493484A (fr)	1953-06-09	Systeme telephonique
CA497327A (fr)	1953-11-03	Systemes de telecommunication
CA496095A (fr)	1953-09-15	Systemes telephoniques ou analogues
CA493490A (fr)	1953-06-09	Systemes telephoniques ou autres semblables
CA496610A (fr)	1953-10-06	Systemes de telephone automatique