CA241267A - Fabrication de tubes a vide - Google Patents

Fabrication de tubes a vide

Info

Publication number: CA241267A
Authority: CA; Canada
Prior art keywords: vacuum tube; tube manufacture; manufacture; vacuum; tube
Prior art date: 1924-07-01
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

CA241267A

Other languages

English (en)

Inventor

J. Kelly Marvin

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

Original Assignee

INTERNATIONAL WESTERN ELECTRIC Co

Publication date

1924-07-01

1924-07-01 Application granted granted Critical

1924-07-01 Publication of CA241267A publication Critical patent/CA241267A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1

CA241267A Fabrication de tubes a vide Expired CA241267A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA241267T

Publications (1)

Publication Number	Publication Date
CA241267A true CA241267A (fr)	1924-07-01

Family

ID=35145297

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA241267A Expired CA241267A (fr)			Fabrication de tubes a vide

Country Status (1)

Country	Link
CA (1)	CA241267A (fr)

0
- CA CA241267A patent/CA241267A/fr not_active Expired

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