FR583622A - Electric lamp - Google Patents

Electric lamp

Info

Publication number
FR583622A
FR583622A FR583622DA FR583622A FR 583622 A FR583622 A FR 583622A FR 583622D A FR583622D A FR 583622DA FR 583622 A FR583622 A FR 583622A
Authority
FR
France
Prior art keywords
electric lamp
lamp
electric
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
Charles Matthey
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 FR583622A publication Critical patent/FR583622A/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
    • F21L13/00—Electric lighting devices with built-in electric generators
    • F21L13/06—Electric lighting devices with built-in electric generators with mechanical drive, e.g. spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
FR583622D 1923-07-19 1924-07-08 Electric lamp Expired FR583622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH583622X 1923-07-19

Publications (1)

Publication Number Publication Date
FR583622A true FR583622A (en) 1925-01-19

Family

ID=4521660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR583622D Expired FR583622A (en) 1923-07-19 1924-07-08 Electric lamp

Country Status (1)

Country Link
FR (1) FR583622A (en)

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