A DIDACTIC AID FOR LEARNING A POSITIONAL NUMBERING NOTATION SYSTEM - Patent 1543485

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EP 1 543 485 A1

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(43)	Date of publication:
	22.06.2005 Bulletin 2005/25

(21)	Application number: 03750677.1

(22)	Date of filing: 18.09.2003

(51)	International Patent Classification (IPC)⁷: G09B 19/02, G06C 1/00

(86)	International application number:
	PCT/EP2003/010939

(87)	International publication number:
	WO 2004/029907 (08.04.2004 Gazette 2004/15)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

24.09.2002 IT TO20020829

(71)	Applicant: ALESSANDRO QUERCETTI & C. FABBRICA GIOCATTOLI FORMATIVI-S.P.A.
	10152 Torino (IT)

(72)	Inventor:
	QUERCETTI, Alessandro I-10133 Torino (IT)

(74)	Representative: Patrito, Pier Franco, Dr. Ing.
	Via Don Minzoni 14 10121 Torino 10121 Torino (IT)

(54)	A DIDACTIC AID FOR LEARNING A POSITIONAL NUMBERING NOTATION SYSTEM