CH439486A - Electric light bulb - Google Patents

Electric light bulb

Info

Publication number
CH439486A
CH439486A CH982465A CH982465A CH439486A CH 439486 A CH439486 A CH 439486A CH 982465 A CH982465 A CH 982465A CH 982465 A CH982465 A CH 982465A CH 439486 A CH439486 A CH 439486A
Authority
CH
Switzerland
Prior art keywords
light bulb
electric light
electric
bulb
light
Prior art date
Application number
CH982465A
Other languages
German (de)
Inventor
Maria Meyer Riksterus 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 CH439486A publication Critical patent/CH439486A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
CH982465A 1964-07-16 1965-07-13 Electric light bulb CH439486A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6408085A NL6408085A (en) 1964-07-16 1964-07-16

Publications (1)

Publication Number Publication Date
CH439486A true CH439486A (en) 1967-07-15

Family

ID=19790533

Family Applications (1)

Application Number Title Priority Date Filing Date
CH982465A CH439486A (en) 1964-07-16 1965-07-13 Electric light bulb

Country Status (10)

Country Link
JP (1) JPS4935797B1 (en)
AT (1) AT253619B (en)
BE (1) BE666972A (en)
CH (1) CH439486A (en)
DE (1) DE1489440A1 (en)
DK (1) DK119263B (en)
ES (1) ES315323A1 (en)
GB (1) GB1084596A (en)
NL (1) NL6408085A (en)
SE (1) SE326766B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4877205A (en) * 1987-12-28 1989-10-31 Winzen International, Inc. High-altitude balloon and method and apparatus for making it

Also Published As

Publication number Publication date
ES315323A1 (en) 1966-02-16
JPS4935797B1 (en) 1974-09-25
AT253619B (en) 1967-04-10
DE1489440A1 (en) 1969-04-30
GB1084596A (en) 1967-09-27
DK119263B (en) 1970-12-07
BE666972A (en) 1966-01-17
NL6408085A (en) 1966-01-17
SE326766B (en) 1970-08-03

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