(19)
(11) EP 4 107 013 A1

(12)

(43) Date of publication:
28.12.2022 Bulletin 2022/52

(21) Application number: 21757385.6

(22) Date of filing: 22.02.2021
(51) International Patent Classification (IPC): 
B60C 19/00(2006.01)
(52) Cooperative Patent Classification (CPC):
B60C 19/00; A41D 13/1184; B60C 5/22; B60C 17/01
(86) International application number:
PCT/US2021/019123
(87) International publication number:
WO 2021/168453 (26.08.2021 Gazette 2021/34)
(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: 22.02.2020 US 202062979439 P
26.08.2020 US 202063070267 P

(71) Applicant: Klotzer, Daniel
Saint Louis MO 63130 (US)

(72) Inventor:
  • Klotzer, Daniel
    Saint Louis MO 63130 (US)

(74) Representative: Novagraaf International SA 
Chemin de l'Echo 3
1213 Onex, Geneva
1213 Onex, Geneva (CH)

   


(54) NON-HOOKE'S LAW SPRING CONSTANT SYSTEMS AND METHODS