(19)
(11) EP 4 021 681 A1

(12)

(43) Date of publication:
06.07.2022 Bulletin 2022/27

(21) Application number: 20767915.0

(22) Date of filing: 25.08.2020
(51) International Patent Classification (IPC): 
B24B 33/08(2006.01)
B24B 37/11(2012.01)
(52) Cooperative Patent Classification (CPC):
B24B 33/085; B24B 37/11; B24B 37/02; B24B 37/04
(86) International application number:
PCT/US2020/047724
(87) International publication number:
WO 2021/041365 (04.03.2021 Gazette 2021/09)
(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: 30.08.2019 US 201962894198 P
24.08.2020 US 202017000680

(71) Applicant: Sunnen Products Company
St. Louis, MO 63143 (US)

(72) Inventor:
  • CLOUTIER, Daniel R.
    Clive, IA 50325 (US)

(74) Representative: Murgitroyd & Company 
Murgitroyd House 165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)

   


(54) LAPPING TOOL