CH439487A - Electric light bulb - Google Patents

Electric light bulb

Info

Publication number
CH439487A
CH439487A CH982765A CH982765A CH439487A CH 439487 A CH439487 A CH 439487A CH 982765 A CH982765 A CH 982765A CH 982765 A CH982765 A CH 982765A CH 439487 A CH439487 A CH 439487A
Authority
CH
Switzerland
Prior art keywords
light bulb
electric light
electric
bulb
light
Prior art date
Application number
CH982765A
Other languages
German (de)
Inventor
Maria Meijer Riksteru Johannes
Remi T Jampens Germain
Adrianus Van De Weije Henricus
Original Assignee
Philips Nv
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 by Philips Nv filed Critical Philips Nv
Publication of CH439487A publication Critical patent/CH439487A/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
CH982765A 1964-07-16 1965-07-13 Electric light bulb CH439487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6408084A NL6408084A (en) 1964-07-16 1964-07-16

Publications (1)

Publication Number Publication Date
CH439487A true CH439487A (en) 1967-07-15

Family

ID=19790532

Family Applications (1)

Application Number Title Priority Date Filing Date
CH982765A CH439487A (en) 1964-07-16 1965-07-13 Electric light bulb

Country Status (10)

Country Link
AT (1) AT253620B (en)
BE (1) BE666912A (en)
BR (1) BR6571248D0 (en)
CH (1) CH439487A (en)
DE (1) DE1489441B2 (en)
DK (1) DK119319B (en)
ES (1) ES315322A1 (en)
GB (1) GB1094694A (en)
NL (1) NL6408084A (en)
SE (1) SE324183B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009916C2 (en) * 1970-03-03 1985-05-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Halogen light bulb
NL185740C (en) * 1978-09-13 1991-04-16 Philips Nv ELECTRIC LIGHT BULB.

Also Published As

Publication number Publication date
GB1094694A (en) 1967-12-13
NL6408084A (en) 1966-01-17
DE1489441B2 (en) 1971-12-30
BE666912A (en) 1966-01-14
ES315322A1 (en) 1966-02-16
DE1489441A1 (en) 1969-02-20
DK119319B (en) 1970-12-14
SE324183B (en) 1970-05-25
BR6571248D0 (en) 1973-12-18
AT253620B (en) 1967-04-10

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