FR835104A - Flashlight improvements - Google Patents

Flashlight improvements

Info

Publication number
FR835104A
FR835104A FR835104DA FR835104A FR 835104 A FR835104 A FR 835104A FR 835104D A FR835104D A FR 835104DA FR 835104 A FR835104 A FR 835104A
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 FR835104A publication Critical patent/FR835104A/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)
FR835104D 1937-03-13 1938-03-11 Flashlight improvements Expired FR835104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US835104XA 1937-03-13 1937-03-13

Publications (1)

Publication Number Publication Date
FR835104A true FR835104A (en) 1938-12-13

Family

ID=22178790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835104D Expired FR835104A (en) 1937-03-13 1938-03-11 Flashlight improvements

Country Status (1)

Country Link
FR (1) FR835104A (en)

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