NL6917901A - - Google Patents

Info

Publication number
NL6917901A
NL6917901A NL6917901A NL6917901A NL6917901A NL 6917901 A NL6917901 A NL 6917901A NL 6917901 A NL6917901 A NL 6917901A NL 6917901 A NL6917901 A NL 6917901A NL 6917901 A NL6917901 A NL 6917901A
Authority
NL
Netherlands
Application number
NL6917901A
Other versions
NL159812B (en
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.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6917901A publication Critical patent/NL6917901A/xx
Publication of NL159812B publication Critical patent/NL159812B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
NL6917901A 1969-01-21 1969-11-28 PROCESS FOR MANUFACTURE OF A HALOGEN LIGHT BULB WITH A TUNGSTEN FILAMENT AND A FILLING WITH A PHOSPHORUS, HALOGEN AND NITROGEN CONTAINING. NL159812B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB338469A GB1236174A (en) 1969-01-21 1969-01-21 Improvements in electric incandescent lamps

Publications (2)

Publication Number Publication Date
NL6917901A true NL6917901A (en) 1970-07-23
NL159812B NL159812B (en) 1979-03-15

Family

ID=9757318

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6917901A NL159812B (en) 1969-01-21 1969-11-28 PROCESS FOR MANUFACTURE OF A HALOGEN LIGHT BULB WITH A TUNGSTEN FILAMENT AND A FILLING WITH A PHOSPHORUS, HALOGEN AND NITROGEN CONTAINING.

Country Status (8)

Country Link
AT (1) AT296425B (en)
BE (1) BE742908A (en)
CH (2) CH537642A (en)
DE (1) DE2001978C3 (en)
FR (1) FR2028773A1 (en)
GB (1) GB1236174A (en)
NL (1) NL159812B (en)
SE (1) SE368113B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8302494D0 (en) * 1983-01-29 1983-03-02 Emi Plc Thorn Tungsten halogen incandescent lamps

Also Published As

Publication number Publication date
SE368113B (en) 1974-06-17
AT296425B (en) 1972-02-10
DE2001978A1 (en) 1970-09-10
NL159812B (en) 1979-03-15
CH537642A (en) 1973-07-13
FR2028773A1 (en) 1970-10-16
BE742908A (en) 1970-05-14
GB1236174A (en) 1971-06-23
DE2001978B2 (en) 1973-10-25
CH515610A (en) 1971-11-15
DE2001978C3 (en) 1974-05-16

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: THORNLIGHT

V4 Lapsed because of reaching the maxim lifetime of a patent