BE478497A - - Google Patents

Info

Publication number: BE478497A
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.)

1946-03-21

Publication of BE478497A publication Critical patent/BE478497A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels

BE478497D 1946-03-21 BE478497A (US08080257-20111220-C00005.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR925098T		1946-03-21

Publications (1)

Publication Number	Publication Date
BE478497A true BE478497A (US08080257-20111220-C00005.png)

Family

ID=9439844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE478497D BE478497A (US08080257-20111220-C00005.png)	1946-03-21

Country Status (5)

Country	Link
BE (1)	BE478497A (US08080257-20111220-C00005.png)
CH (1)	CH267217A (US08080257-20111220-C00005.png)
FR (1)	FR925098A (US08080257-20111220-C00005.png)
GB (1)	GB634761A (US08080257-20111220-C00005.png)
NL (1)	NL138036C (US08080257-20111220-C00005.png)

0
- NL NL138036D patent/NL138036C/xx active
- BE BE478497D patent/BE478497A/xx unknown
1946
- 1946-03-21 FR FR925098D patent/FR925098A/fr not_active Expired
1947
- 1947-12-30 CH CH267217D patent/CH267217A/fr unknown
- 1947-12-31 GB GB35078/47A patent/GB634761A/en not_active Expired

Also Published As

Publication number	Publication date
CH267217A (fr)	1950-03-15
GB634761A (en)	1950-03-29
FR925098A (fr)	1947-08-25
NL138036C (US08080257-20111220-C00005.png)

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