CA312402A - Fabrication de lampes a vide - Google Patents

Fabrication de lampes a vide

Info

Publication number: CA312402A
Authority: CA; Canada
Prior art keywords: manufacture; vacuum tubes; tubes; vacuum
Prior art date: 1931-06-16
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

CA312402A

Other languages

English (en)

Inventor

J. Kayko Charles

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.)

CARDON Corp

Sparks Withington Co

Original Assignee

CARDON Corp

Sparks Withington Co

Publication date

1931-06-16

1931-06-16 Application granted granted Critical

1931-06-16 Publication of CA312402A publication Critical patent/CA312402A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1

CA312402A Fabrication de lampes a vide Expired CA312402A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA312402T

Publications (1)

Publication Number	Publication Date
CA312402A true CA312402A (fr)	1931-06-16

Family

ID=35271728

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA312402A Expired CA312402A (fr)			Fabrication de lampes a vide

Country Status (1)

Country	Link
CA (1)	CA312402A (fr)

0
- CA CA312402A patent/CA312402A/fr not_active Expired

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