NL227293A - - Google Patents

Info

Publication number: NL227293A
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.)

1957-04-29

Publication of NL227293A publication Critical patent/NL227293A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
- Y10T428/2925—Helical or coiled
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2958—Metal or metal compound in coating

NL227293D 1957-04-29 NL227293A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US655534A US2871196A (en)	1957-04-29	1957-04-29	Cathodes and emissive material therefor

Publications (1)

Publication Number	Publication Date
NL227293A true NL227293A (enrdf_load_stackoverflow)

Family

ID=24629268

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL227293D NL227293A (enrdf_load_stackoverflow)	1957-04-29
NL112306D NL112306C (enrdf_load_stackoverflow)	1957-04-29

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL112306D NL112306C (enrdf_load_stackoverflow)	1957-04-29

Country Status (3)

Country	Link
US (1)	US2871196A (enrdf_load_stackoverflow)
GB (1)	GB824902A (enrdf_load_stackoverflow)
NL (2)	NL112306C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3188236A (en) *	1959-12-17	1965-06-08	Gen Electric	Cathodes and method of manufacture
US4275330A (en) *	1979-03-08	1981-06-23	General Electric Company	Electric discharge lamp having a cathode with cesium metal oxide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1934830A (en) *	1928-02-03	1933-11-14	Electrons Inc	Amphoteric compounds
US1921066A (en) *	1928-11-16	1933-08-08	Western Electric Co	Cathode for electron discharge devices and method of making the same
US1946603A (en) *	1929-05-09	1934-02-13	Electrons Inc	Cathode for electrical discharge devices
US2085605A (en) *	1934-05-11	1937-06-29	Gen Electric	Thermionic cathode for electric discharge devices
US2142331A (en) *	1935-03-09	1939-01-03	Bell Telephone Labor Inc	Electron emitting cathode
US2300959A (en) *	1940-01-01	1942-11-03	Gen Electric	Cathode for discharge devices

0
- NL NL227293D patent/NL227293A/xx unknown
- NL NL112306D patent/NL112306C/xx active
1957
- 1957-04-29 US US655534A patent/US2871196A/en not_active Expired - Lifetime
1958
- 1958-04-02 GB GB10567/58A patent/GB824902A/en not_active Expired

Also Published As

Publication number	Publication date
GB824902A (en)	1959-12-09
NL112306C (enrdf_load_stackoverflow)
US2871196A (en)	1959-01-27

Publication	Publication Date	Title
BE566751A (enrdf_load_stackoverflow)
BE559788A (enrdf_load_stackoverflow)	1958-02-03
BE563106A (enrdf_load_stackoverflow)
BE563500A (enrdf_load_stackoverflow)
NL227293A (enrdf_load_stackoverflow)
BE569582A (enrdf_load_stackoverflow)
BE569380A (enrdf_load_stackoverflow)
BE568934A (enrdf_load_stackoverflow)
BE566360A (enrdf_load_stackoverflow)
BE565048A (enrdf_load_stackoverflow)
BE563981A (enrdf_load_stackoverflow)	1960-06-17
NL106909C (enrdf_load_stackoverflow)
BE568105A (enrdf_load_stackoverflow)
BE566831A (enrdf_load_stackoverflow)
BE565759A (enrdf_load_stackoverflow)
BE564394A (enrdf_load_stackoverflow)
BE564375A (enrdf_load_stackoverflow)
BE564359A (enrdf_load_stackoverflow)	1960-06-17
BE564344A (enrdf_load_stackoverflow)
BE564343A (enrdf_load_stackoverflow)
BE564336A (enrdf_load_stackoverflow)	1958-02-15
BE564253A (enrdf_load_stackoverflow)
BE564142A (enrdf_load_stackoverflow)
BE564097A (enrdf_load_stackoverflow)
BE547036A (enrdf_load_stackoverflow)