FR2217800A1 - - Google Patents

Info

Publication number
FR2217800A1
FR2217800A1 FR7403776A FR7403776A FR2217800A1 FR 2217800 A1 FR2217800 A1 FR 2217800A1 FR 7403776 A FR7403776 A FR 7403776A FR 7403776 A FR7403776 A FR 7403776A FR 2217800 A1 FR2217800 A1 FR 2217800A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7403776A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2217800A1 publication Critical patent/FR2217800A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
FR7403776A 1973-02-09 1974-02-05 Withdrawn FR2217800A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7301829A NL7301829A (enrdf_load_stackoverflow) 1973-02-09 1973-02-09

Publications (1)

Publication Number Publication Date
FR2217800A1 true FR2217800A1 (enrdf_load_stackoverflow) 1974-09-06

Family

ID=19818173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403776A Withdrawn FR2217800A1 (enrdf_load_stackoverflow) 1973-02-09 1974-02-05

Country Status (8)

Country Link
JP (1) JPS49111477A (enrdf_load_stackoverflow)
AR (1) AR200512A1 (enrdf_load_stackoverflow)
BE (1) BE810745A (enrdf_load_stackoverflow)
DE (2) DE7403900U (enrdf_load_stackoverflow)
ES (1) ES423010A1 (enrdf_load_stackoverflow)
FR (1) FR2217800A1 (enrdf_load_stackoverflow)
IT (1) IT1007259B (enrdf_load_stackoverflow)
NL (1) NL7301829A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123442A1 (de) * 1981-06-12 1982-12-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Gluehwendel fuer eine elektrische lampe und verfahren zur herstellung
JPS5659447A (en) * 1979-10-19 1981-05-22 Toshiba Corp Fluorescent lamp and its manufacture

Also Published As

Publication number Publication date
BE810745A (fr) 1974-08-07
DE2405409A1 (de) 1974-08-15
DE7403900U (de) 1976-03-04
IT1007259B (it) 1976-10-30
JPS49111477A (enrdf_load_stackoverflow) 1974-10-23
NL7301829A (enrdf_load_stackoverflow) 1974-08-13
AR200512A1 (es) 1974-11-15
ES423010A1 (es) 1976-04-16

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Legal Events

Date Code Title Description
ST Notification of lapse