FR829438A - Perfectionnements aux lanternes portatives - Google Patents

Perfectionnements aux lanternes portatives

Info

Publication number
FR829438A
FR829438A FR829438DA FR829438A FR 829438 A FR829438 A FR 829438A FR 829438D A FR829438D A FR 829438DA FR 829438 A FR829438 A FR 829438A
Authority
FR
France
Prior art keywords
refinements
portable lantern
lantern
portable
lantern refinements
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
English (en)
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.)
Les Piles Wonder SA
Original Assignee
Les Piles Wonder SA
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 Les Piles Wonder SA filed Critical Les Piles Wonder SA
Application granted granted Critical
Publication of FR829438A publication Critical patent/FR829438A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR829438D 1937-11-18 1937-11-18 Perfectionnements aux lanternes portatives Expired FR829438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR829438T 1937-11-18

Publications (1)

Publication Number Publication Date
FR829438A true FR829438A (fr) 1938-06-27

Family

ID=9284266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR829438D Expired FR829438A (fr) 1937-11-18 1937-11-18 Perfectionnements aux lanternes portatives

Country Status (1)

Country Link
FR (1) FR829438A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1469251A3 (fr) * 2003-04-07 2004-12-08 R. Stahl Schaltgeräte GmbH Dispositif d'eclairage portable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1469251A3 (fr) * 2003-04-07 2004-12-08 R. Stahl Schaltgeräte GmbH Dispositif d'eclairage portable

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