CA203379A - Tube a vide - Google Patents

Tube a vide

Info

Publication number: CA203379A
Authority: CA; Canada
Prior art keywords: vacuum tube; vacuum; tube
Prior art date: 1920-08-24
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

CA203379A

Other languages

English (en)

Inventor

De F. Arnold Harold

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

Publication date

1920-08-24

1920-08-24 Application granted granted Critical

1920-08-24 Publication of CA203379A publication Critical patent/CA203379A/fr

Status Expired legal-status Critical Current

Links

CA203379A Tube a vide Expired CA203379A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA203379T

Publications (1)

Publication Number	Publication Date
CA203379A true CA203379A (fr)	1920-08-24

Family

ID=35077815

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA203379A Expired CA203379A (fr)			Tube a vide

Country Status (1)

Country	Link
CA (1)	CA203379A (fr)

0
- CA CA203379A patent/CA203379A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
CA200492A (fr)	1920-06-01	Enveloppe
CA203378A (fr)	1920-08-24	Tube a vide
CA204762A (fr)	1920-10-12	Tube a vide
CA201289A (fr)	1920-06-22	Tube a vide
CA203379A (fr)	1920-08-24	Tube a vide
CA197355A (fr)	1920-02-17	Tube a vide
CA204990A (fr)	1920-10-19	Dispositif d etube a vide
CA199867A (fr)	1920-05-04	Dispositif de 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
CA202914A (fr)	1920-08-17	Tube emaille de condenseur
AU1808520A (en)	1920-10-22	An improved tube cleaner
AU1756920A (en)	1921-05-31	Improvements in vacuum tubes
CA197143A (fr)	1920-02-10	Tube detecteur
CA196542A (fr)	1920-01-27	Tube a pate dentifrice
CA216063A (fr)	1922-02-21	Tube a vide
CA215079A (fr)	1922-01-10	Tube a vide
CA215078A (fr)	1922-01-10	Tube a vide
CA216483A (fr)	1922-03-07	Tube a vide
CA221752A (fr)	1922-08-01	Tube a vide
AU9621A (en)	1922-05-23	Receiving connection with vacuum tube
CA204767A (fr)	1920-10-12	Chamhre d'air de pneu
CA210436A (fr)	1921-04-12	Tube a vide a haute puissance
CA208891A (fr)	1921-02-22	Chambre d'air de pneu