FR850332A - Electric lighting device - Google Patents

Electric lighting device

Info

Publication number
FR850332A
FR850332A FR850332DA FR850332A FR 850332 A FR850332 A FR 850332A FR 850332D A FR850332D A FR 850332DA FR 850332 A FR850332 A FR 850332A
Authority
FR
France
Prior art keywords
lighting device
electric lighting
electric
lighting
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
George Ainsworth
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 FR850332A publication Critical patent/FR850332A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR850332D 1939-02-15 1939-02-15 Electric lighting device Expired FR850332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850332T 1939-02-15

Publications (1)

Publication Number Publication Date
FR850332A true FR850332A (en) 1939-12-14

Family

ID=9316941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850332D Expired FR850332A (en) 1939-02-15 1939-02-15 Electric lighting device

Country Status (1)

Country Link
FR (1) FR850332A (en)

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