CA199867A - Dispositif de tube a vide - Google Patents

Dispositif de tube a vide

Info

Publication number: CA199867A
Authority: CA; Canada
Prior art keywords: vacuum tube; tube device; vacuum; tube
Prior art date: 1920-05-04
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

CA199867A

Other languages

English (en)

Inventor

F. Trimble Russell

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

1920-05-04

1920-05-04 Application granted granted Critical

1920-05-04 Publication of CA199867A publication Critical patent/CA199867A/fr

Status Expired legal-status Critical Current

Links

CA199867A Dispositif de tube a vide Expired CA199867A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA199867T

Publications (1)

Publication Number	Publication Date
CA199867A true CA199867A (fr)	1920-05-04

Family

ID=35074304

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA199867A Expired CA199867A (fr)			Dispositif de tube a vide

Country Status (1)

Country	Link
CA (1)	CA199867A (fr)

0
- CA CA199867A patent/CA199867A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
CA199867A (fr)	1920-05-04	Dispositif de tube a vide
CA204990A (fr)	1920-10-19	Dispositif d etube a vide
CA203378A (fr)	1920-08-24	Tube a vide
CA197355A (fr)	1920-02-17	Tube a vide
CA201289A (fr)	1920-06-22	Tube a vide
CA203379A (fr)	1920-08-24	Tube a vide
CA204762A (fr)	1920-10-12	Tube a vide
CA203491A (fr)	1920-08-31	Appareil a vide
CA208245A (fr)	1921-02-01	Tube a vide
CA209345A (fr)	1921-03-08	Tube-vacuum
CA216480A (fr)	1922-03-07	Dispositif de tube a vide
CA210740A (fr)	1921-04-19	Dispositif d'essai de tubes a vide
CA208862A (fr)	1921-02-22	Appareil de tubes a vide
CA218676A (fr)	1922-05-16	Appareil de tubes a vide
CA202914A (fr)	1920-08-17	Tube emaille de condenseur
CA198917A (fr)	1920-04-06	Dispositif de sceau a vide
CA197143A (fr)	1920-02-10	Tube detecteur
CA215078A (fr)	1922-01-10	Tube a vide
CA215079A (fr)	1922-01-10	Tube a vide
CA216063A (fr)	1922-02-21	Tube a vide
CA216483A (fr)	1922-03-07	Tube a vide
CA221752A (fr)	1922-08-01	Tube a vide
AU1808520A (en)	1920-10-22	An improved tube cleaner
AU9621A (en)	1922-05-23	Receiving connection with vacuum tube
CA209776A (fr)	1921-03-22	Circuit de tube a vide