FR379449A - Apparatus for enclosing and ensuring the electric ignition of miners' lamps - Google Patents

Apparatus for enclosing and ensuring the electric ignition of miners' lamps

Info

Publication number
FR379449A
FR379449A FR379449DA FR379449A FR 379449 A FR379449 A FR 379449A FR 379449D A FR379449D A FR 379449DA FR 379449 A FR379449 A FR 379449A
Authority
FR
France
Prior art keywords
miners
lamps
enclosing
ensuring
electric ignition
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
William Ackroyd
William Best
Albert Edward Best
Robert Octavius Best
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 FR379449A publication Critical patent/FR379449A/en
Expired legal-status Critical Current

Links

FR379449D 1906-11-09 1907-07-01 Apparatus for enclosing and ensuring the electric ignition of miners' lamps Expired FR379449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB379449X 1906-11-09

Publications (1)

Publication Number Publication Date
FR379449A true FR379449A (en) 1907-11-07

Family

ID=43349525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR379449D Expired FR379449A (en) 1906-11-09 1907-07-01 Apparatus for enclosing and ensuring the electric ignition of miners' lamps

Country Status (1)

Country Link
FR (1) FR379449A (en)

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