Display board

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...

Design Patent

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Design Patent

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D0573187

CLAIM:
The ornamental design for a display board, as shown.

REFERENCES:
patent: 205250 (1878-06-01), Davis
patent: 306462 (1884-10-01), Baxter
patent: 387779 (1888-08-01), Erschell
patent: D60247 (1922-01-01), Kuczynski
patent: D141306 (1945-05-01), Michelli
patent: 2562590 (1951-07-01), Viglietta
patent: 3355828 (1967-12-01), Betz
patent: D398270 (1998-09-01), Spencer
patent: D451290 (2001-12-01), Allen
patent: D464808 (2002-10-01), Martinez
patent: D521916 (2006-05-01), Spencer
patent: 7036257 (2006-05-01), Sardo
patent: 2007/0124978 (2007-06-01), Donat

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