FR528763A - Perfectionnements aux appareils d'éclairage - Google Patents

Perfectionnements aux appareils d'éclairage

Info

Publication number
FR528763A
FR528763A FR528763A FR528763DA FR528763A FR 528763 A FR528763 A FR 528763A FR 528763 A FR528763 A FR 528763A FR 528763D A FR528763D A FR 528763DA FR 528763 A FR528763 A FR 528763A
Authority
FR
France
Prior art keywords
lighting fixtures
fixtures
lighting
fixtures improvements
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
FR528763A
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.)
DUPLEXALITE CORP
Original Assignee
DUPLEXALITE CORP
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 DUPLEXALITE CORP filed Critical DUPLEXALITE CORP
Application granted granted Critical
Publication of FR528763A publication Critical patent/FR528763A/fr
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)
FR528763A 1919-12-19 1920-12-17 Perfectionnements aux appareils d'éclairage Expired FR528763A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US528763XA 1919-12-19 1919-12-19

Publications (1)

Publication Number Publication Date
FR528763A true FR528763A (fr) 1921-11-18

Family

ID=21980479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528763A Expired FR528763A (fr) 1919-12-19 1920-12-17 Perfectionnements aux appareils d'éclairage

Country Status (1)

Country Link
FR (1) FR528763A (fr)

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