BE431974A - - Google Patents

Info

Publication number: BE431974A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1938-01-03

Publication of BE431974A publication Critical patent/BE431974A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens

BE431974D 1938-01-03 BE431974A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE207409X		1938-01-03

Publications (1)

Publication Number	Publication Date
BE431974A true BE431974A (enrdf_load_html_response)

Family

ID=5793708

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE431974D BE431974A (enrdf_load_html_response)	1938-01-03

Country Status (6)

Country	Link
US (1)	US2225645A (enrdf_load_html_response)
BE (1)	BE431974A (enrdf_load_html_response)
CH (1)	CH207409A (enrdf_load_html_response)
FR (1)	FR848394A (enrdf_load_html_response)
GB (1)	GB508190A (enrdf_load_html_response)
NL (1)	NL52546C (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE897294C (de) *	1943-03-06	1953-11-19	Philips Nv	Zwei- oder mehranodige gas- und/oder dampfgefuellte Gleichrichterroehre, in der die Gluehkathode innerhalb eines Kathodenschirmes angeordnet ist
US2479529A (en) *	1945-11-23	1949-08-16	Westinghouse Electric Corp	Electron discharge device
US2729833A (en) *	1950-11-04	1956-01-10	Illinois Tool Works	Assembly machine and method
US2707753A (en) *	1951-03-28	1955-05-03	Westinghouse Electric Corp	Electron discharge device
DE1151883B (de) *	1958-05-02	1963-07-25	Edgerton Germeshausen And Grie	Gasentladungsroehre
US3295013A (en) *	1960-08-09	1966-12-27	Varian Associates	Electron tubes containing gas below critical pressure

0
- NL NL52546D patent/NL52546C/xx active
- BE BE431974D patent/BE431974A/xx unknown
1938
- 1938-12-17 US US246441A patent/US2225645A/en not_active Expired - Lifetime
- 1938-12-31 CH CH207409D patent/CH207409A/de unknown
- 1938-12-31 GB GB37995/38A patent/GB508190A/en not_active Expired
1939
- 1939-01-02 FR FR848394D patent/FR848394A/fr not_active Expired

Also Published As

Publication number	Publication date
US2225645A (en)	1940-12-24
NL52546C (enrdf_load_html_response)
GB508190A (en)	1939-06-27
CH207409A (de)	1939-10-31
FR848394A (fr)	1939-10-27

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