FR685942A - Improvements to lamps and their reflectors - Google Patents

Improvements to lamps and their reflectors

Info

Publication number
FR685942A
FR685942A FR685942DA FR685942A FR 685942 A FR685942 A FR 685942A FR 685942D A FR685942D A FR 685942DA FR 685942 A FR685942 A FR 685942A
Authority
FR
France
Prior art keywords
reflectors
lamps
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)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR685942A publication Critical patent/FR685942A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR685942D 1928-12-04 1929-12-03 Improvements to lamps and their reflectors Expired FR685942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US685942XA 1928-12-04 1928-12-04

Publications (1)

Publication Number Publication Date
FR685942A true FR685942A (en) 1930-07-18

Family

ID=22083535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685942D Expired FR685942A (en) 1928-12-04 1929-12-03 Improvements to lamps and their reflectors

Country Status (1)

Country Link
FR (1) FR685942A (en)

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