NL28872C - - Google Patents

Info

Publication number: NL28872C
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.)

1928-11-30

Publication of NL28872C publication Critical patent/NL28872C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- Y10T428/1284—W-base component

NL28872D 1928-11-30 NL28872C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL1954189X		1928-11-30

Publications (1)

Publication Number	Publication Date
NL28872C true NL28872C (enrdf_load_stackoverflow)

Family

ID=19873363

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL28872D NL28872C (enrdf_load_stackoverflow)	1928-11-30

Country Status (5)

Country	Link
US (1)	US1954189A (enrdf_load_stackoverflow)
BE (1)	BE365560A (enrdf_load_stackoverflow)
DE (1)	DE516901C (enrdf_load_stackoverflow)
FR (1)	FR685521A (enrdf_load_stackoverflow)
NL (1)	NL28872C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3041209A (en) *	1955-06-28	1962-06-26	Gen Electric	Method of making a thermionic cathode
US3066393A (en) *	1958-02-17	1962-12-04	Allegheny Ludlum Steel	Metal clad molybdenum article
DE69115854T2 (de) *	1990-10-30	1996-06-05	Toshiba Kawasaki Kk	Rost zur thermischen Behandlung mit hoher Temperatur

0
- NL NL28872D patent/NL28872C/xx active
- BE BE365560D patent/BE365560A/xx unknown
1929
- 1929-11-15 US US407561A patent/US1954189A/en not_active Expired - Lifetime
- 1929-11-22 DE DEN31193D patent/DE516901C/de not_active Expired
- 1929-11-25 FR FR685521D patent/FR685521A/fr not_active Expired

Also Published As

Publication number	Publication date
FR685521A (fr)	1930-07-11
BE365560A (enrdf_load_stackoverflow)
DE516901C (de)	1931-01-28
US1954189A (en)	1934-04-10

Publication	Publication Date	Title
FR636642A (enrdf_load_stackoverflow)	1928-04-13
FR636383A (enrdf_load_stackoverflow)	1928-04-07
FR636370A (enrdf_load_stackoverflow)	1928-04-07
FR632942A (enrdf_load_stackoverflow)	1928-01-18
FR632681A (enrdf_load_stackoverflow)	1928-01-13
BE313010A (enrdf_load_stackoverflow)
BE349190A (enrdf_load_stackoverflow)	1928-03-31
BE341382A (enrdf_load_stackoverflow)
NL28872C (enrdf_load_stackoverflow)
NL46703C (enrdf_load_stackoverflow)
NL46641B (enrdf_load_stackoverflow)	1932-01-15
NL25673C (enrdf_load_stackoverflow)
BE365622A (enrdf_load_stackoverflow)	1929-12-31
BE362136A (enrdf_load_stackoverflow)	1929-08-31
BE361597A (enrdf_load_stackoverflow)
BE349426A (enrdf_load_stackoverflow)
BE349412A (enrdf_load_stackoverflow)
BE349374A (enrdf_load_stackoverflow)
BE303782A (enrdf_load_stackoverflow)
BE349288A (enrdf_load_stackoverflow)
BE348803A (enrdf_load_stackoverflow)
BE349037A (enrdf_load_stackoverflow)
BE348976A (enrdf_load_stackoverflow)
BE348889A (enrdf_load_stackoverflow)
BE348549A (enrdf_load_stackoverflow)