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GB471997A - Improvements in illuminated signs - Google Patents

Improvements in illuminated signs

Info

Publication number
GB471997A
GB471997A GB1520836A GB1520836A GB471997A GB 471997 A GB471997 A GB 471997A GB 1520836 A GB1520836 A GB 1520836A GB 1520836 A GB1520836 A GB 1520836A GB 471997 A GB471997 A GB 471997A
Authority
GB
United Kingdom
Prior art keywords
tubes
illuminated
enclosed
illuminated signs
sign
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
GB1520836A
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.)
ELECTROLUMINATION Ltd
Original Assignee
ELECTROLUMINATION Ltd
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 ELECTROLUMINATION Ltd filed Critical ELECTROLUMINATION Ltd
Priority to GB1520836A priority Critical patent/GB471997A/en
Publication of GB471997A publication Critical patent/GB471997A/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
    • G09F13/26—Signs formed by electric discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

471,997. Illuminated signs. ELECTROLUMINATION, Ltd., and CASSELLE, L. C. May 29, 1936, No. 15208. [Class 3 (ii)] A sign wherein the display panel is illuminated at the rear by discharge lamps arranged in grid-form, is characterized in that the lamps are enclosed in tubes of diffusing material such as cased opal glass. In the embodiment shown in the Figure sign panels 7, 8 are illuminated by discharge lamps 10 enclosed in tubes 9. These tubes may comprise two semi - cylindrical tubes arranged side by side.
GB1520836A 1936-05-29 1936-05-29 Improvements in illuminated signs Expired GB471997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1520836A GB471997A (en) 1936-05-29 1936-05-29 Improvements in illuminated signs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1520836A GB471997A (en) 1936-05-29 1936-05-29 Improvements in illuminated signs

Publications (1)

Publication Number Publication Date
GB471997A true GB471997A (en) 1937-09-15

Family

ID=10054929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1520836A Expired GB471997A (en) 1936-05-29 1936-05-29 Improvements in illuminated signs

Country Status (1)

Country Link
GB (1) GB471997A (en)

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