(19)
(11) EP 4 392 169 A1

(12)

(43) Date of publication:
03.07.2024 Bulletin 2024/27

(21) Application number: 21955259.3

(22) Date of filing: 26.08.2021
(51) International Patent Classification (IPC): 
B01F 23/20(2022.01)
(52) Cooperative Patent Classification (CPC):
B01F 2101/17; B01F 23/2361; B01F 23/23123
(86) International application number:
PCT/US2021/071295
(87) International publication number:
WO 2023/027758 (02.03.2023 Gazette 2023/09)
(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: 25.08.2021 US 202117445942

(71) Applicants:
  • Stevenson, Robert A.
    Canyon Country, California 91387 (US)
  • Stevenson, Wendy L.
    Canyon Country, California 91387 (US)
  • Stevenson, Jennifer L.
    Newbury Park, California 91320 (US)
  • Stevenson, Ryan A.
    Woodinville, Washington 98077 (US)

(72) Inventors:
  • Stevenson, Robert A.
    Canyon Country, California 91387 (US)
  • Stevenson, Wendy L.
    Canyon Country, California 91387 (US)
  • Stevenson, Jennifer L.
    Newbury Park, California 91320 (US)
  • Stevenson, Ryan A.
    Woodinville, Washington 98077 (US)

(74) Representative: Kohler Schmid Möbus Patentanwälte 
Partnerschaftsgesellschaft mbB Gropiusplatz 10
70563 Stuttgart
70563 Stuttgart (DE)

   


(54) EXPANSION CHAMBER FOR A WINE BOTTLE AERATOR