FR827621A - Flashlight improvements - Google Patents

Flashlight improvements

Info

Publication number
FR827621A
FR827621A FR827621DA FR827621A FR 827621 A FR827621 A FR 827621A FR 827621D A FR827621D A FR 827621DA FR 827621 A FR827621 A FR 827621A
Authority
FR
France
Prior art keywords
flashlight
flashlight improvements
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)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR827621A publication Critical patent/FR827621A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR827621D 1936-10-08 1937-10-18 Flashlight improvements Expired FR827621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US827621XA 1936-10-08 1936-10-08

Publications (1)

Publication Number Publication Date
FR827621A true FR827621A (en) 1938-04-29

Family

ID=22173284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR827621D Expired FR827621A (en) 1936-10-08 1937-10-18 Flashlight improvements

Country Status (1)

Country Link
FR (1) FR827621A (en)

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