CA216480A - Dispositif de tube a vide - Google Patents

Dispositif de tube a vide

Info

Publication number: CA216480A
Authority: CA; Canada
Prior art keywords: vacuum tube; tube device; vacuum; tube
Prior art date: 1922-03-07
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

CA216480A

Other languages

English (en)

Inventor

J. Van Der Bijl Hendrik

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.)

INTERNATIONAL WESTERN ELECTRIC CO

AT&T Corp

Original Assignee

INTERNATIONAL WESTERN ELECTRIC CO

Western Electric Co Inc

Publication date

1922-03-07

1922-03-07 Application granted granted Critical

1922-03-07 Publication of CA216480A publication Critical patent/CA216480A/fr

Status Expired legal-status Critical Current

Links

CA216480A Dispositif de tube a vide Expired CA216480A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA216480T

Publications (1)

Publication Number	Publication Date
CA216480A true CA216480A (fr)	1922-03-07

Family

ID=35110924

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA216480A Expired CA216480A (fr)			Dispositif de tube a vide

Country Status (1)

Country	Link
CA (1)	CA216480A (fr)

0
- CA CA216480A patent/CA216480A/fr not_active Expired

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