(19)
(11) EP 3 899 140 A1

(12)

(43) Date of publication:
27.10.2021 Bulletin 2021/43

(21) Application number: 19832867.6

(22) Date of filing: 16.12.2019
(51) International Patent Classification (IPC): 
E01C 13/02(2006.01)
(52) Cooperative Patent Classification (CPC):
E01C 13/02
(86) International application number:
PCT/EP2019/085229
(87) International publication number:
WO 2020/126962 (25.06.2020 Gazette 2020/26)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 20.12.2018 US 201862782500 P

(71) Applicant: Polytex Sportbeläge Produktions-GmbH
47929 Grefrath (DE)

(72) Inventors:
  • SICK, Stephan
    47877 Willich-Neersen (DE)
  • BROWN, Kris
    Dalton, Georgia 30721 (US)
  • LOHR, Ivo
    47906 Kempen (DE)
  • HALLY, Stefan
    41334 Nettetal (DE)

(74) Representative: Richardt Patentanwälte PartG mbB 
Wilhelmstraße 7
65185 Wiesbaden
65185 Wiesbaden (DE)

   


(54) PLAYING SURFACE WITH A MIXTURE OF STONES AND ELASTIC GRANULES