CA291514A - Lampe a vide - Google Patents

Lampe a vide

Info

Publication number: CA291514A
Authority: CA; Canada
Prior art keywords: vacuum tube; vacuum; tube
Prior art date: 1929-07-23
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

CA291514A

Other languages

English (en)

Inventor

S. Kimmig William

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.)

Individual

Original Assignee

Individual

Publication date

1929-07-23

1929-07-23 Application granted granted Critical

1929-07-23 Publication of CA291514A publication Critical patent/CA291514A/fr

Status Expired legal-status Critical Current

Links

CA291514A Lampe a vide Expired CA291514A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA291514T

Publications (1)

Publication Number	Publication Date
CA291514A true CA291514A (fr)	1929-07-23

Family

ID=35228326

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA291514A Expired CA291514A (fr)			Lampe a vide

Country Status (1)

Country	Link
CA (1)	CA291514A (fr)

0
- CA CA291514A patent/CA291514A/fr not_active Expired

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