DE9419481U1 - blackboard - Google Patents

blackboard

Info

Publication number
DE9419481U1
DE9419481U1 DE9419481U DE9419481U DE9419481U1 DE 9419481 U1 DE9419481 U1 DE 9419481U1 DE 9419481 U DE9419481 U DE 9419481U DE 9419481 U DE9419481 U DE 9419481U DE 9419481 U1 DE9419481 U1 DE 9419481U1
Authority
DE
Germany
Prior art keywords
blackboard
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 - Lifetime
Application number
DE9419481U
Other languages
German (de)
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.)
KLEIN THOMAS 32139 SPENGE DE
Original Assignee
KLEIN THOMAS 32139 SPENGE DE
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 KLEIN THOMAS 32139 SPENGE DE filed Critical KLEIN THOMAS 32139 SPENGE DE
Priority to DE9419481U priority Critical patent/DE9419481U1/en
Publication of DE9419481U1 publication Critical patent/DE9419481U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

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)
DE9419481U 1994-12-05 1994-12-05 blackboard Expired - Lifetime DE9419481U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9419481U DE9419481U1 (en) 1994-12-05 1994-12-05 blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9419481U DE9419481U1 (en) 1994-12-05 1994-12-05 blackboard

Publications (1)

Publication Number Publication Date
DE9419481U1 true DE9419481U1 (en) 1995-02-02

Family

ID=6917004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9419481U Expired - Lifetime DE9419481U1 (en) 1994-12-05 1994-12-05 blackboard

Country Status (1)

Country Link
DE (1) DE9419481U1 (en)

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