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EP 4 384 050 A1

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(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 22856551.1 (22) Date of filing: 10.08.2022

(51) International Patent Classification (IPC):  A47F 3/00(2006.01) G08B 13/14(2006.01) G08B 13/08(2006.01) E05C 19/16(2006.01) G08B 13/06(2006.01) G08B 13/02(2006.01) A47F 10/02(2006.01) (52) Cooperative Patent Classification (CPC): G08B 13/08 (86) International application number: PCT/US2022/039938 (87) International publication number: WO 2023/018786 (16.02.2023 Gazette 2023/07)

(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: 12.08.2021 US 202117400305 (71) Applicant: Sennco Solutions Inc. Plainfield, IL 60544 (US)	(72) Inventors: MARSZALEK, Christopher, Alan Circle Plainfield, IL 60585 (US) LIFF, Dale, R. Montgomery, IL 60538 (US) REYNOLDS, Andy Aurora, IL 60502 (US) HORVATH, Daniel, L. Plainfield, IL 60544 (US) HEFLING, David Plainfield, IL 60586 (US) (74) Representative: Rentsch Partner AG  Kirchenweg 8 Postfach 8034 Zürich 8034 Zürich (CH)