(19)

(11)

EP 3 908 157 A1

(12)

(43) Date of publication: 17.11.2021 Bulletin 2021/46 (21) Application number: 20705776.1 (22) Date of filing: 09.01.2020

(51) International Patent Classification (IPC):  A47C 4/02(2006.01) (52) Cooperative Patent Classification (CPC): A47C 4/028; A47C 4/02 (86) International application number: PCT/GB2020/000001 (87) International publication number: WO 2020/144458 (16.07.2020 Gazette 2020/29)

(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: 11.01.2019 GB 201900446 (71) Applicants: Bridgman, Robert Enfield EN3 7PX (GB) Bridgman, Peter Enfield EN3 7PX (GB)	(72) Inventors: Bridgman, Robert Enfield EN3 7PX (GB) Bridgman, Peter Enfield EN3 7PX (GB) (74) Representative: Basck Ltd  WeWork 50-60 Station Rd Cambridge CB1 2JH Cambridge CB1 2JH (GB)