CA239846A - Tube a vide - Google Patents

Tube a vide

Info

Publication number: CA239846A
Authority: CA; Canada
Prior art keywords: vacuum tube; vacuum; tube
Prior art date: 1924-05-06
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

CA239846A

Other languages

English (en)

Inventor

Y. Robinson Ernest

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

1924-05-06

1924-05-06 Application granted granted Critical

1924-05-06 Publication of CA239846A publication Critical patent/CA239846A/fr

Status Expired legal-status Critical Current

Links

CA239846A Tube a vide Expired CA239846A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA239846T

Publications (1)

Publication Number	Publication Date
CA239846A true CA239846A (fr)	1924-05-06

Family

ID=35143877

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA239846A Expired CA239846A (fr)			Tube a vide

Country Status (1)

Country	Link
CA (1)	CA239846A (fr)

0
- CA CA239846A patent/CA239846A/fr not_active Expired

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