FR724686A - Lighting device - Google Patents

Lighting device

Info

Publication number
FR724686A
FR724686A FR724686DA FR724686A FR 724686 A FR724686 A FR 724686A FR 724686D A FR724686D A FR 724686DA FR 724686 A FR724686 A FR 724686A
Authority
FR
France
Prior art keywords
lighting device
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.)
Boos & Hahn Emaillierwerk Plak
Original Assignee
Boos & Hahn Emaillierwerk Plak
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 Boos & Hahn Emaillierwerk Plak filed Critical Boos & Hahn Emaillierwerk Plak
Application granted granted Critical
Publication of FR724686A publication Critical patent/FR724686A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/02—Signs, boards, or panels, illuminated by artificial light sources positioned in front of the insignia

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR724686D 1930-12-22 1931-09-10 Lighting device Expired FR724686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE724686X 1930-12-22

Publications (1)

Publication Number Publication Date
FR724686A true FR724686A (en) 1932-04-30

Family

ID=6634619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724686D Expired FR724686A (en) 1930-12-22 1931-09-10 Lighting device

Country Status (1)

Country Link
FR (1) FR724686A (en)

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