BE377481A - - Google Patents

Info

Publication number: BE377481A
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.)

1930-02-19

Publication of BE377481A publication Critical patent/BE377481A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated

BE377481D 1930-02-19 BE377481A (US07867960-20110111-C00005.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT359766X		1930-02-19

Publications (1)

Publication Number	Publication Date
BE377481A true BE377481A (US07867960-20110111-C00005.png)

Family

ID=3672724

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE377481D BE377481A (US07867960-20110111-C00005.png)	1930-02-19

Country Status (4)

Country	Link
BE (1)	BE377481A (US07867960-20110111-C00005.png)
DE (1)	DE564175C (US07867960-20110111-C00005.png)
FR (1)	FR711553A (US07867960-20110111-C00005.png)
GB (1)	GB359766A (US07867960-20110111-C00005.png)

0
- BE BE377481D patent/BE377481A/xx unknown
1930
- 1930-02-25 GB GB35460/30A patent/GB359766A/en not_active Expired
1931
- 1931-02-19 FR FR711553D patent/FR711553A/fr not_active Expired
- 1931-02-19 DE DEV26424D patent/DE564175C/de not_active Expired

Also Published As

Publication number	Publication date
FR711553A (fr)	1931-09-12
DE564175C (de)	1932-12-03
GB359766A (en)	1931-10-29

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