FR20922E - Electric mine lamp - Google Patents

Electric mine lamp

Info

Publication number
FR20922E
FR20922E FR20922A FR20922DA FR20922E FR 20922 E FR20922 E FR 20922E FR 20922 A FR20922 A FR 20922A FR 20922D A FR20922D A FR 20922DA FR 20922 E FR20922 E FR 20922E
Authority
FR
France
Prior art keywords
mine lamp
electric mine
electric
lamp
mine
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
FR20922A
Other languages
French (fr)
Inventor
Louis Chomier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR20922E publication Critical patent/FR20922E/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR20922A 1917-12-17 1918-04-13 Electric mine lamp Expired FR20922E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR488140T 1917-12-17
FR20922T 1918-04-13

Publications (1)

Publication Number Publication Date
FR20922E true FR20922E (en) 1919-11-28

Family

ID=1361895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20922A Expired FR20922E (en) 1917-12-17 1918-04-13 Electric mine lamp

Country Status (1)

Country Link
FR (1) FR20922E (en)

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