FR916181A - Improvements to lighting devices - Google Patents

Improvements to lighting devices

Info

Publication number
FR916181A
FR916181A FR916181DA FR916181A FR 916181 A FR916181 A FR 916181A FR 916181D A FR916181D A FR 916181DA FR 916181 A FR916181 A FR 916181A
Authority
FR
France
Prior art keywords
lighting devices
lighting
devices
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
Jean-Marie-Louis-M Camillerapp
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 FR916181A publication Critical patent/FR916181A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR916181D 1940-04-01 1940-04-01 Improvements to lighting devices Expired FR916181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR916181T 1940-04-01

Publications (1)

Publication Number Publication Date
FR916181A true FR916181A (en) 1946-11-28

Family

ID=9423187

Family Applications (1)

Application Number Title Priority Date Filing Date
FR916181D Expired FR916181A (en) 1940-04-01 1940-04-01 Improvements to lighting devices

Country Status (1)

Country Link
FR (1) FR916181A (en)

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