DE212406C - - Google Patents

Info

Publication number
DE212406C
DE212406C DENDAT212406D DE212406DA DE212406C DE 212406 C DE212406 C DE 212406C DE NDAT212406 D DENDAT212406 D DE NDAT212406D DE 212406D A DE212406D A DE 212406DA DE 212406 C DE212406 C DE 212406C
Authority
DE
Germany
Prior art keywords
slide
frame
glass plate
attached
cover
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.)
Active
Application number
DENDAT212406D
Other languages
German (de)
English (en)
Publication of DE212406C publication Critical patent/DE212406C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DENDAT212406D Active DE212406C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE212406C true DE212406C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=474142

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT212406D Active DE212406C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE212406C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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