CA439778A - Systeme de telephone automatique - Google Patents

Systeme de telephone automatique

Info

Publication number: CA439778A
Authority: CA; Canada
Prior art keywords: telephone system; automatic telephone; automatic; telephone
Prior art date: 1947-02-18
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

Other languages

Inventor

M. Blackhall James

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.)

LEICH ELECTRIC Co

Original Assignee

LEICH ELECTRIC Co

Publication date

1947-02-18

1947-02-18 Application granted granted Critical

1947-02-18 Publication of CA439778A publication Critical patent/CA439778A/fr

Status Expired legal-status Critical Current

Links

CA439778D Systeme de telephone automatique Expired CA439778A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA439778T

Publications (1)

Publication Number	Publication Date
CA439778A true CA439778A (fr)	1947-02-18

Family

ID=35555012

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA439778D Expired CA439778A (fr)			Systeme de telephone automatique

Country Status (1)

Country	Link
CA (1)	CA439778A (fr)

0
- CA CA439778D patent/CA439778A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
CA439778A (fr)	1947-02-18	Systeme de telephone automatique
CA444075A (fr)	1947-09-09	Systeme automatique de telephone
CA439394A (fr)	1947-01-28	Reseau telephonique
CA440708A (fr)	1947-04-08	Systeme telephonique
CA440944A (fr)	1947-04-22	Systeme telephonique
CA441179A (fr)	1947-05-06	Systeme telephonique
CA441180A (fr)	1947-05-06	Systeme telephonique
CA441181A (fr)	1947-05-06	Systeme telephonique
CA441406A (fr)	1947-05-13	Systeme telephonique
CA441947A (fr)	1947-06-03	Systeme telephonique
CA442718A (fr)	1947-07-08	Systeme telephonique
CA442941A (fr)	1947-07-15	Systeme telephonique
CA442988A (fr)	1947-07-15	Systeme telephonique
CA443037A (fr)	1947-07-22	Systeme telephonique
CA443405A (fr)	1947-08-05	Systeme telephonique
CA443407A (fr)	1947-08-05	Systeme telephonique
CA443721A (fr)	1947-08-19	Systeme telephonique
CA443722A (fr)	1947-08-19	Systeme telephonique
CA445441A (fr)	1947-12-09	Systeme telephonique
CA445442A (fr)	1947-12-09	Systeme telephonique
CA445446A (fr)	1947-12-09	Systeme telephonique
CA441465A (fr)	1947-05-20	Systeme telephonique
CA445443A (fr)	1947-12-09	Systeme telephonique
CA445445A (fr)	1947-12-09	Systeme telephonique
AU138489B2 (en)	1950-05-25	Improvements relating to automatic telephone systems