CA238574A - Dispositif d'appel - Google Patents

Dispositif d'appel

Info

Publication number: CA238574A
Authority: CA; Canada
Prior art keywords: calling device; calling
Prior art date: 1924-03-11
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

CA238574A

Other languages

English (en)

Inventor

C. Blessing John

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.)

Nortel Networks Ltd

Original Assignee

Northern Electric Co Ltd

Publication date

1924-03-11

1924-03-11 Application granted granted Critical

1924-03-11 Publication of CA238574A publication Critical patent/CA238574A/fr

Status Expired legal-status Critical Current

Links

CA238574A Dispositif d'appel Expired CA238574A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA238574T

Publications (1)

Publication Number	Publication Date
CA238574A true CA238574A (fr)	1924-03-11

Family

ID=35142605

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA238574A Expired CA238574A (fr)			Dispositif d'appel

Country Status (1)

Country	Link
CA (1)	CA238574A (fr)

0
- CA CA238574A patent/CA238574A/fr not_active Expired

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