FR334153A - Magnet closure for mine safety lamps - Google Patents

Magnet closure for mine safety lamps

Info

Publication number
FR334153A
FR334153A FR334153DA FR334153A FR 334153 A FR334153 A FR 334153A FR 334153D A FR334153D A FR 334153DA FR 334153 A FR334153 A FR 334153A
Authority
FR
France
Prior art keywords
mine safety
safety lamps
magnet closure
closure
magnet
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
Paul Wolf
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 FR334153A publication Critical patent/FR334153A/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
    • F21L23/00—Non-electric hand-lamps for miners

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR334153D 1903-07-27 1903-07-27 Magnet closure for mine safety lamps Expired FR334153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR334153T 1903-07-27

Publications (1)

Publication Number Publication Date
FR334153A true FR334153A (en) 1903-12-14

Family

ID=1383708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR334153D Expired FR334153A (en) 1903-07-27 1903-07-27 Magnet closure for mine safety lamps

Country Status (1)

Country Link
FR (1) FR334153A (en)

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