CA204762A - Tube a vide - Google Patents

Tube a vide

Info

Publication number: CA204762A
Authority: CA; Canada
Prior art keywords: vacuum tube; vacuum; tube
Prior art date: 1920-10-12
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

CA204762A

Other languages

English (en)

Inventor

A. Knoop 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.)

INTERNATIONAL WESTERN ELECTRIC CO

AT&T Corp

Original Assignee

INTERNATIONAL WESTERN ELECTRIC CO

Western Electric Co Inc

Publication date

1920-10-12

1920-10-12 Application granted granted Critical

1920-10-12 Publication of CA204762A publication Critical patent/CA204762A/fr

Status Expired legal-status Critical Current

Links

CA204762A Tube a vide Expired CA204762A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA204762T

Publications (1)

Publication Number	Publication Date
CA204762A true CA204762A (fr)	1920-10-12

Family

ID=35098541

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA204762A Expired CA204762A (fr)			Tube a vide

Country Status (1)

Country	Link
CA (1)	CA204762A (fr)

0
- CA CA204762A patent/CA204762A/fr not_active Expired

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