NL56612C - - Google Patents

Info

Publication number: NL56612C
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.)

1938-12-01

Publication of NL56612C publication Critical patent/NL56612C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

NL56612D 1938-12-01 NL56612C (en, 2012)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE215858X		1938-12-01
CH206032T		1939-10-21

Publications (1)

Publication Number	Publication Date
NL56612C true NL56612C (en, 2012)

Family

ID=25724254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL56612D NL56612C (en, 2012)	1938-12-01

Country Status (3)

Country	Link
CH (1)	CH215858A (en, 2012)
GB (1)	GB522697A (en, 2012)
NL (1)	NL56612C (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3321479A1 (de) *	1983-06-14	1984-12-20	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München	Hochdruckentladungslampe

0
- NL NL56612D patent/NL56612C/xx active
1938
- 1938-12-13 GB GB36297/38A patent/GB522697A/en not_active Expired
1939
- 1939-10-21 CH CH215858D patent/CH215858A/de unknown

Also Published As

Publication number	Publication date
GB522697A (en)	1940-06-25
CH215858A (de)	1941-07-15

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