BE442487A - - Google Patents

Info

Publication number: BE442487A
Authority: BE; Belgium

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.)

1940-08-14

Publication of BE442487A publication Critical patent/BE442487A/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

BE442487D 1940-08-14 BE442487A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL219513X		1940-08-14

Publications (1)

Publication Number	Publication Date
BE442487A true BE442487A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=19779269

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE442487D BE442487A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1940-08-14

Country Status (6)

Country	Link
BE (1)	BE442487A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1)	CH219513A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1)	DE758671C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR876160A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2)	GB552597A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1)	NL58325C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

0
- BE BE442487D patent/BE442487A/xx unknown
- NL NL58325D patent/NL58325C/xx active
1941
- 1941-08-12 DE DEN44996D patent/DE758671C/de not_active Expired
- 1941-08-14 CH CH219513D patent/CH219513A/de unknown
- 1941-10-21 FR FR876160D patent/FR876160A/fr not_active Expired
- 1941-11-26 GB GB15246/41A patent/GB552597A/en not_active Expired
1945
- 1945-09-25 GB GB24901/45A patent/GB599510A/en not_active Expired

Also Published As

Publication number	Publication date
NL58325C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB552597A (en)	1943-04-15
CH219513A (de)	1942-02-15
DE758671C (de)	1953-09-14
GB599510A (en)	1948-03-15
FR876160A (fr)	1942-10-29

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