(19)

(11)

EP 4 423 449 A2

(12)

(88) Date of publication A3: 10.08.2023 (43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22888136.3 (22) Date of filing: 26.10.2022

(51) International Patent Classification (IPC):  F41G 11/00(2006.01) F41G 1/34(2006.01) F41G 1/01(2006.01) F41C 27/00(2006.01) (52) Cooperative Patent Classification (CPC): F41G 11/003 (86) International application number: PCT/US2022/047923 (87) International publication number: WO 2023/076416 (04.05.2023 Gazette 2023/18)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 29.10.2021 US 202117514190 29.08.2022 US 202217898301 (71) Applicant: GBRS Group LLC Virginia Beach, VA 23452 (US)	(72) Inventors: FACKLER, Blair Cole Virginia Beach, Virginia 23452 (US) SHIPLEY, Donald Wayne Virginia Beach, Virginia 23452 (US) (74) Representative: Heinonen & Co  Attorneys-at-Law Ltd Fabianinkatu 29 B 00100 Helsinki 00100 Helsinki (FI)