CA317691A - Lampe a vide - Google Patents

Lampe a vide

Info

Publication number: CA317691A
Authority: CA; Canada
Prior art keywords: vacuum tube; vacuum; tube
Prior art date: 1931-12-01
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

CA317691A

Other languages

English (en)

Inventor

Collett Lafern

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.)

CARDON-PHONOGRAPH Corp

Sparks Withington Co

Original Assignee

CARDON-PHONOGRAPH Corp

Sparks Withington Co

Publication date

1931-12-01

1931-12-01 Application granted granted Critical

1931-12-01 Publication of CA317691A publication Critical patent/CA317691A/fr

Status Expired legal-status Critical Current

Links

CA317691A Lampe a vide Expired CA317691A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA317691T

Publications (1)

Publication Number	Publication Date
CA317691A true CA317691A (fr)	1931-12-01

Family

ID=35278247

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA317691A Expired CA317691A (fr)			Lampe a vide

Country Status (1)

Country	Link
CA (1)	CA317691A (fr)

0
- CA CA317691A patent/CA317691A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
CA311309A (fr)	1931-05-12	Lampe a vide
CA311308A (fr)	1931-05-12	Lampe a vide
CA311667A (fr)	1931-05-26	Lampe a vide
CA316979A (fr)	1931-11-10	Lampe a vide
CA313008A (fr)	1931-07-07	Lampe a vide
CA310444A (fr)	1931-04-14	Lampe a vide
CA313095A (fr)	1931-07-07	Lampe a vide
CA315739A (fr)	1931-09-29	Lampe a vide
CA310088A (fr)	1931-04-07	Lampe a vide
CA312401A (fr)	1931-06-16	Lampe a vide
CA312400A (fr)	1931-06-16	Lampe a vide
CA309730A (fr)	1931-03-24	Lampe a vide
CA308171A (fr)	1931-01-27	Lampe a vide
CA310090A (fr)	1931-04-07	Lampe a vide
CA315854A (fr)	1931-10-06	Lampe a vide
CA313572A (fr)	1931-07-21	Porte-tube a vide
CA316978A (fr)	1931-11-10	Lampe a vide blindee
CA313125A (fr)	1931-07-07	Porte-lampe a vide
CA313269A (fr)	1931-07-14	Lampe a electrons
CA310706A (fr)	1931-04-21	Lampe thermionique
CA312638A (fr)	1931-06-23	Lampe thermionique
CA315425A (fr)	1931-09-22	Lampe thermionique
CA315088A (fr)	1931-09-08	Lampe thermionique
CA314638A (fr)	1931-08-25	Lampe thermionique
CA317201A (fr)	1931-11-17	Lampe a vide et a chauffeur