NL72121C - - Google Patents

Info

Publication number: NL72121C
Authority: NL; Netherlands

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.)

1945-10-24

Publication of NL72121C publication Critical patent/NL72121C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes

NL72121D 1945-10-24 NL72121C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB20673/44A GB601966A (en)	1945-10-24	1945-10-24	Improvements in or relating to electron discharge devices

Publications (1)

Publication Number	Publication Date
NL72121C true NL72121C (xx)

Family

ID=32188948

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL72121D NL72121C (xx)	1945-10-24

Country Status (6)

Country	Link
US (1)	US2602905A (xx)
CH (1)	CH271504A (xx)
DE (1)	DE818820C (xx)
FR (1)	FR958107A (xx)
GB (2)	GB601966A (xx)
NL (1)	NL72121C (xx)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE970327C (de) *	1936-03-07	1958-09-11	Pintsch Bamag Ag	Einrichtung zum Buendeln ultrakurzer elektromagnetischer Wellen
NL48109C (xx) *	1937-02-23
NL50262C (xx) *	1937-03-30
BE428074A (xx) *	1937-05-14
US2390701A (en) *	1943-01-27	1945-12-11	Rca Corp	Secondary electron emitter

0
- NL NL72121D patent/NL72121C/xx active
- FR FR958107D patent/FR958107A/fr not_active Expired
1945
- 1945-10-24 GB GB20673/44A patent/GB601966A/en not_active Expired
- 1945-10-24 GB GB1676/48A patent/GB646303A/en not_active Expired
1946
- 1946-09-07 US US695531A patent/US2602905A/en not_active Expired - Lifetime
1947
- 1947-12-29 CH CH271504D patent/CH271504A/de unknown
1949
- 1949-03-01 DE DEP35318D patent/DE818820C/de not_active Expired

Also Published As

Publication number	Publication date
GB601966A (en)	1948-05-18
US2602905A (en)	1952-07-08
DE818820C (de)	1951-10-29
CH271504A (de)	1950-10-31
FR958107A (xx)	1950-03-03
GB646303A (en)	1950-11-22

Publication	Publication Date	Title
FR960982A (xx)	1950-04-28
FR999302A (xx)	1952-01-29
FR958107A (xx)	1950-03-03
FR962444A (xx)	1950-06-10
FR904734A (xx)	1945-12-20
BE479181A (xx)
LU27694A1 (xx)	1945-06-02
BE458156A (xx)
BE464496A (xx)
BE462915A (xx)
BE462983A (xx)
BE463277A (xx)	1946-08-22
BE463380A (xx)
BE463711A (xx)
BE463894A (xx)
BE466020A (xx)
BE467009A (xx)
BE467355A (xx)
BE468498A (xx)
BE468514A (xx)
BE469282A (xx)
BE462110A (xx)
BE470043A (xx)
BE461982A (xx)	1946-01-31
BE467974A (xx)