NL25429C - - Google Patents

Info

Publication number: NL25429C
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.)

1927-06-25

Publication of NL25429C publication Critical patent/NL25429C/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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

NL25429D 1927-06-25 NL25429C (xx)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEL69010D DE584068C (de)	1927-06-25	1927-06-25	Indirekt geheizte Kathode
DE292913X		1927-06-25

Publications (1)

Publication Number	Publication Date
NL25429C true NL25429C (xx)

Family

ID=25780058

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL25429D NL25429C (xx)	1927-06-25

Country Status (6)

Country	Link
US (1)	US1939997A (xx)
AT (1)	AT124871B (xx)
DE (1)	DE584068C (xx)
FR (1)	FR656047A (xx)
GB (2)	GB292913A (xx)
NL (1)	NL25429C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL110237C (xx) *	1951-06-10

0
- NL NL25429D patent/NL25429C/xx active
1927
- 1927-06-25 DE DEL69010D patent/DE584068C/de not_active Expired
1928
- 1928-06-11 AT AT124871D patent/AT124871B/de active
- 1928-06-18 GB GB17540/28A patent/GB292913A/en not_active Expired
- 1928-06-18 FR FR656047D patent/FR656047A/fr not_active Expired
- 1928-06-18 GB GB9966/29A patent/GB308823A/en not_active Expired
- 1928-06-23 US US287812A patent/US1939997A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB308823A (en)	1929-09-12
FR656047A (fr)	1929-04-26
DE584068C (de)	1933-09-14
AT124871B (de)	1931-10-10
GB292913A (en)	1929-06-20
US1939997A (en)	1933-12-19

Publication	Publication Date	Title
BE353116A (xx)	1928-08-31
FR34692E (xx)	1929-09-19
FR34837E (xx)	1927-10-21
FR636402A (xx)	1928-04-10
GB297677A (xx)	1930-02-17
FR34778E (xx)	1927-10-21
FR34769E (xx)	1927-10-21
AT112319B (xx)	1929-02-25
FR621131A (xx)	1927-05-05
FR618990A (xx)	1927-03-24
FR622987A (xx)	1927-06-14
NL23014C (xx)
BE348332A (xx)
BE353656A (xx)
BE354919A (xx)
BE353553A (xx)
BE351068A (xx)
BE352632A (xx)
BE289816A (xx)
NL32118C (xx)
NL26534C (xx)
NL26155C (xx)
NL25688C (xx)
NL25065C (xx)
BE354874A (xx)