CA232426A - Dispositif d'appel - Google Patents

Dispositif d'appel

Info

Publication number: CA232426A
Authority: CA; Canada
Prior art keywords: calling service; calling; service
Prior art date: 1923-07-03
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

CA232426A

Other languages

English (en)

Inventor

H. Ide Harry

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.)

Kellogg Switchboard and Supply Co

Original Assignee

Kellogg Switchboard and Supply Co

Publication date

1923-07-03

1923-07-03 Application granted granted Critical

1923-07-03 Publication of CA232426A publication Critical patent/CA232426A/fr

Status Expired legal-status Critical Current

Links

CA232426A Dispositif d'appel Expired CA232426A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA232426T

Publications (1)

Publication Number	Publication Date
CA232426A true CA232426A (fr)	1923-07-03

Family

ID=35129799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA232426A Expired CA232426A (fr)			Dispositif d'appel

Country Status (1)

Country	Link
CA (1)	CA232426A (fr)

0
- CA CA232426A patent/CA232426A/fr not_active Expired

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