NL56444C - - Google Patents

Info

Publication number: NL56444C
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.)

1940-11-20

Publication of NL56444C publication Critical patent/NL56444C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/183—Composition or manufacture of getters

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)

NL56444D 1940-11-20 NL56444C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE881290X		1940-11-20

Publications (1)

Publication Number	Publication Date
NL56444C true NL56444C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=6828844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL56444D NL56444C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1940-11-20

Country Status (2)

Country	Link
FR (1)	FR881290A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1)	NL56444C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2518314A (en) *	1947-12-08	1950-08-08	Hellan Haakon	Valve construction for regenerative furnaces

0
- NL NL56444D patent/NL56444C/xx active
1942
- 1942-04-16 FR FR881290D patent/FR881290A/fr not_active Expired

Also Published As

Publication number	Publication date
FR881290A (fr)	1943-04-20

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