FR6720E - Safety lock for mine lamp - Google Patents

Safety lock for mine lamp

Info

Publication number
FR6720E
FR6720E FR6720DA FR6720E FR 6720 E FR6720 E FR 6720E FR 6720D A FR6720D A FR 6720DA FR 6720 E FR6720 E FR 6720E
Authority
FR
France
Prior art keywords
safety lock
mine lamp
mine
lamp
lock
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
Alexandre-Leonard Tombelaine
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.)
ALEXANDRE-LEONARD TOMBELAINE
Original Assignee
ALEXANDRE-LEONARD TOMBELAINE
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 ALEXANDRE-LEONARD TOMBELAINE filed Critical ALEXANDRE-LEONARD TOMBELAINE
Application granted granted Critical
Publication of FR6720E publication Critical patent/FR6720E/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)
FR6720D 1905-08-09 1906-10-01 Safety lock for mine lamp Expired FR6720E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR356778T 1905-08-09
FR6720T 1906-10-01

Publications (1)

Publication Number Publication Date
FR6720E true FR6720E (en) 1907-02-08

Family

ID=1349632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6720D Expired FR6720E (en) 1905-08-09 1906-10-01 Safety lock for mine lamp

Country Status (1)

Country Link
FR (1) FR6720E (en)

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