LIQUID DRAINAGE SYSTEM FOR A HARD-TOP SURFACE - Patent 0901542

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EP 0 901 542 A1

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(43)	Date of publication:
	17.03.1999 Bulletin 1999/11

(21)	Application number: 97923319.0

(22)	Date of filing: 20.05.1997

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International Patent Classification (IPC):

E03F 1/ 00^{( . )}

E03F 5/ 042^{( . )}

(86)	International application number:
	PCT/NL1997/000280

(87)	International publication number:
	WO 1997/045600 (04.12.1997 Gazette 1997/52)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

24.05.1996 NL 19961003206

(71)	Applicant: N.V. Luchthaven Schiphol
	1118 ZG Schiphol (NL)

(72)	Inventor:
	GEERDINK, Johannes, Antonius, Bernardes NL-2034 JN Haarlem (NL)

(74)	Representative: de Bruijn, Leendert C., et al
	Nederlandsch Octrooibureau P.O. Box 29720 2502 LS Den Haag 2502 LS Den Haag (NL)

(54)	LIQUID DRAINAGE SYSTEM FOR A HARD-TOP SURFACE