NL49847C - - Google Patents

Info

Publication number: NL49847C
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.)

1936-04-09

Publication of NL49847C publication Critical patent/NL49847C/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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp

NL49847D 1936-04-09 NL49847C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE493520X		1936-04-09

Publications (1)

Publication Number	Publication Date
NL49847C true NL49847C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=6544573

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL49847D NL49847C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1936-04-09

Country Status (3)

Country	Link
FR (1)	FR819968A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1)	GB493520A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1)	NL49847C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

0
- NL NL49847D patent/NL49847C/xx active
1937
- 1937-03-30 FR FR819968D patent/FR819968A/fr not_active Expired
- 1937-04-09 GB GB10187/37A patent/GB493520A/en not_active Expired

Also Published As

Publication number	Publication date
GB493520A (en)	1938-10-10
FR819968A (fr)	1937-10-29

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