NL41741C - - Google Patents

Info

Publication number: NL41741C
Authority: NL; Netherlands

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.)

1934-01-12

Publication of NL41741C publication Critical patent/NL41741C/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
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers

NL41741D 1934-01-12 NL41741C (US07714131-20100511-C00038.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1221/34A GB431651A (en)	1934-01-12	1934-01-12	Improvements in or relating to electric discharge devices

Publications (1)

Publication Number	Publication Date
NL41741C true NL41741C (US07714131-20100511-C00038.png)

Family

ID=9718224

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL41741D NL41741C (US07714131-20100511-C00038.png)	1934-01-12

Country Status (5)

Country	Link
US (1)	US2030437A (US07714131-20100511-C00038.png)
DE (1)	DE647009C (US07714131-20100511-C00038.png)
FR (1)	FR784009A (US07714131-20100511-C00038.png)
GB (1)	GB431651A (US07714131-20100511-C00038.png)
NL (1)	NL41741C (US07714131-20100511-C00038.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3714492A (en) *	1971-05-03	1973-01-30	Gte Sylvania Inc	Dc fluorescent lamp with improved efficiency
FR2386135A1 (fr) *	1977-03-30	1978-10-27	Gte Sylvania Inc	Perfectionnement apporte aux lampes a vapeur de sodium a haute pression
US4598225A (en) *	1983-02-25	1986-07-01	Gte Products Corporation	Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio

0
- NL NL41741D patent/NL41741C/xx active
1934
- 1934-01-12 GB GB1221/34A patent/GB431651A/en not_active Expired
1935
- 1935-01-07 US US750A patent/US2030437A/en not_active Expired - Lifetime
- 1935-01-11 FR FR784009D patent/FR784009A/fr not_active Expired
- 1935-01-12 DE DEG89554D patent/DE647009C/de not_active Expired

Also Published As

Publication number	Publication date
GB431651A (en)	1935-07-12
US2030437A (en)	1936-02-11
FR784009A (fr)	1935-07-20
DE647009C (de)	1937-06-25

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