FR618369A - Improvements to electric lighting devices - Google Patents

Improvements to electric lighting devices

Info

Publication number
FR618369A
FR618369A FR618369DA FR618369A FR 618369 A FR618369 A FR 618369A FR 618369D A FR618369D A FR 618369DA FR 618369 A FR618369 A FR 618369A
Authority
FR
France
Prior art keywords
lighting devices
electric lighting
electric
devices
lighting
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 FR618369A publication Critical patent/FR618369A/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)
FR618369D 1925-06-25 1926-06-24 Improvements to electric lighting devices Expired FR618369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB618369X 1925-06-25

Publications (1)

Publication Number Publication Date
FR618369A true FR618369A (en) 1927-03-08

Family

ID=10487526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR618369D Expired FR618369A (en) 1925-06-25 1926-06-24 Improvements to electric lighting devices

Country Status (1)

Country Link
FR (1) FR618369A (en)

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