(19)
(11) EP 3 935 238 A1

(12)

(43) Date of publication:
12.01.2022 Bulletin 2022/02

(21) Application number: 20766677.7

(22) Date of filing: 04.03.2020
(51) International Patent Classification (IPC): 
E04F 15/22(2006.01)
E01C 13/02(2006.01)
(52) Cooperative Patent Classification (CPC):
E04F 15/22; E04F 15/185; E01C 13/02; E04F 15/182
(86) International application number:
PCT/US2020/020893
(87) International publication number:
WO 2020/180931 (10.09.2020 Gazette 2020/37)
(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: 05.03.2019 US 201916293363

(71) Applicant: Viconic Sporting LLC
Dearborn, Michigan 48124 (US)

(72) Inventors:
  • CORMIER, Joel Matthew
    Lathrup Village, Michigan 48086 (US)
  • ELLIOTT, Jackson Alexander
    Plymouth, Michigan 48170 (US)
  • AUDI, Richard Francois
    Dearborn, Michigan 48124 (US)
  • SMITH, Donald Scott
    Commerce, Michigan 48382 (US)

(74) Representative: GPI Brevets 
1330, rue Guillibert de la Lauzière EuroParc de Pichaury Bât B2
13856 Aix en Provence Cedex 3
13856 Aix en Provence Cedex 3 (FR)

   


(54) PROGRESSIVE STAGE LOAD DISTRIBUTION AND ABSORPTION UNDERLAYMENT SYSTEM