BE379172A - - Google Patents

Info

Publication number: BE379172A
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.)

1930-08-16

Publication of BE379172A publication Critical patent/BE379172A/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
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

BE379172D 1930-08-16 BE379172A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE574067T		1930-08-16

Publications (1)

Publication Number	Publication Date
BE379172A true BE379172A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=34584639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE379172D BE379172A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1930-08-16

Country Status (6)

Country	Link
US (1)	US1861633A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1)	BE379172A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1)	DE574067C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR715552A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB369509A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1)	NL31279C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

0
- NL NL31279D patent/NL31279C/xx active
- BE BE379172D patent/BE379172A/xx unknown
1930
- 1930-08-16 DE DE1930574067D patent/DE574067C/de not_active Expired
1931
- 1931-04-16 FR FR715552D patent/FR715552A/fr not_active Expired
- 1931-07-21 US US552260A patent/US1861633A/en not_active Expired - Lifetime
- 1931-08-11 GB GB22702/31A patent/GB369509A/en not_active Expired

Also Published As

Publication number	Publication date
DE574067C (de)	1933-04-08
FR715552A (fr)	1931-12-05
US1861633A (en)	1932-06-07
NL31279C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB369509A (en)	1932-03-24

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