BE411481A - - Google Patents

Info

Publication number: BE411481A
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.)

1934-10-23

Publication of BE411481A publication Critical patent/BE411481A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof

BE411481D 1934-10-23 BE411481A (US20020095090A1-20020718-M00002.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT455459X		1934-10-23

Publications (1)

Publication Number	Publication Date
BE411481A true BE411481A (US20020095090A1-20020718-M00002.png)

Family

ID=3674481

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE411481D BE411481A (US20020095090A1-20020718-M00002.png)	1934-10-23

Country Status (4)

Country	Link
BE (1)	BE411481A (US20020095090A1-20020718-M00002.png)
FR (1)	FR795192A (US20020095090A1-20020718-M00002.png)
GB (1)	GB455459A (US20020095090A1-20020718-M00002.png)
NL (1)	NL43552C (US20020095090A1-20020718-M00002.png)

0
- NL NL43552D patent/NL43552C/xx active
- BE BE411481D patent/BE411481A/xx unknown
1935
- 1935-09-24 FR FR795192D patent/FR795192A/fr not_active Expired
- 1935-10-09 GB GB27881/35A patent/GB455459A/en not_active Expired

Also Published As

Publication number	Publication date
NL43552C (US20020095090A1-20020718-M00002.png)
GB455459A (en)	1936-10-21
FR795192A (fr)	1936-03-07

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