CA505876A - Systeme de signalisation telephonique - Google Patents

Systeme de signalisation telephonique

Info

Publication number: CA505876A
Authority: CA; Canada
Prior art keywords: signaling system; telephone signaling; telephone; signaling
Prior art date: 1954-09-14
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

CA505876A

Other languages

English (en)

Inventor

J. Kircher Reymond

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.)

AT&T Inc

Original Assignee

Western Electric Co Inc

Publication date

1954-09-14

1954-09-14 Application granted granted Critical

1954-09-14 Publication of CA505876A publication Critical patent/CA505876A/fr

Status Expired legal-status Critical Current

Links

CA505876A Systeme de signalisation telephonique Expired CA505876A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA505876T

Publications (1)

Publication Number	Publication Date
CA505876A true CA505876A (fr)	1954-09-14

Family

ID=35651799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA505876A Expired CA505876A (fr)			Systeme de signalisation telephonique

Country Status (1)

Country	Link
CA (1)	CA505876A (fr)

0
- CA CA505876A patent/CA505876A/fr not_active Expired

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