NL28874C - - Google Patents

Info

Publication number: NL28874C
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.)

1929-09-25

Publication of NL28874C publication Critical patent/NL28874C/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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements

NL28874D 1929-09-25 NL28874C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL353905X		1929-09-25

Publications (1)

Publication Number	Publication Date
NL28874C true NL28874C (enrdf_load_html_response)

Family

ID=19785144

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL28874D NL28874C (enrdf_load_html_response)	1929-09-25

Country Status (5)

Country	Link
US (1)	US1980936A (enrdf_load_html_response)
BE (1)	BE372759A (enrdf_load_html_response)
FR (1)	FR700961A (enrdf_load_html_response)
GB (1)	GB353905A (enrdf_load_html_response)
NL (1)	NL28874C (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2728017A (en) *	1942-05-06	1955-12-20	Sylvania Electric Prod	Filament tensioning and supporting arrangements for electron tubes
FR1066747A (enrdf_load_html_response) *	1951-11-23	1954-06-09
NL182557B (nl) *	1953-11-04		Ngk Insulators Ltd	Dichtingspreparaat, alsmede werkwijze voor het dichten.
US3745401A (en) *	1972-02-15	1973-07-10	Atomic Energy Commission	Filament support structure for large electron guns

0
- NL NL28874D patent/NL28874C/xx active
- BE BE372759D patent/BE372759A/xx unknown
1930
- 1930-04-29 GB GB13191/30A patent/GB353905A/en not_active Expired
- 1930-08-08 US US473815A patent/US1980936A/en not_active Expired - Lifetime
- 1930-08-21 FR FR700961D patent/FR700961A/fr not_active Expired

Also Published As

Publication number	Publication date
GB353905A (en)	1931-07-29
US1980936A (en)	1934-11-13
FR700961A (fr)	1931-03-10
BE372759A (enrdf_load_html_response)

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