FR28274E - Semi-direct light incandescent lamp - Google Patents

Semi-direct light incandescent lamp

Info

Publication number
FR28274E
FR28274E FR28274DA FR28274E FR 28274 E FR28274 E FR 28274E FR 28274D A FR28274D A FR 28274DA FR 28274 E FR28274 E FR 28274E
Authority
FR
France
Prior art keywords
semi
direct light
incandescent lamp
light incandescent
lamp
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Joseph Mersing
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
Application granted granted Critical
Publication of FR28274E publication Critical patent/FR28274E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR28274D 1923-10-13 1923-10-13 Semi-direct light incandescent lamp Expired FR28274E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28274T 1923-10-13

Publications (1)

Publication Number Publication Date
FR28274E true FR28274E (en) 1925-02-04

Family

ID=8666469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28274D Expired FR28274E (en) 1923-10-13 1923-10-13 Semi-direct light incandescent lamp

Country Status (1)

Country Link
FR (1) FR28274E (en)

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