(19)
(11) EP 4 025 919 A2

(12)

(88) Date of publication A3:
14.05.2021

(43) Date of publication:
13.07.2022 Bulletin 2022/28

(21) Application number: 20861493.3

(22) Date of filing: 04.09.2020
(51) International Patent Classification (IPC): 
G01R 3/00(2006.01)
G01R 33/07(2006.01)
(52) Cooperative Patent Classification (CPC):
H04L 9/3278; H04L 9/0866; G06K 9/6215; G01R 33/0094; G01R 33/0052; G01R 33/072; G01R 33/0023; G06V 20/80
(86) International application number:
PCT/US2020/049411
(87) International publication number:
WO 2021/046354 (11.03.2021 Gazette 2021/10)
(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: 06.09.2019 US 201962896883 P
02.12.2019 US 201962942364 P

(71) Applicant: Lexmark International, Inc.
Lexington, KY 40550 (US)

(72) Inventors:
  • ELLIS, James Howard, Jr.
    Lexington, KY 40515 (US)
  • HARDIN, Keith Bryan
    Lexington, KY 40513 (US)

(74) Representative: Cameron Intellectual Property Ltd 
Moncrieff House 69 West Nile Street
Glasgow G1 2QB
Glasgow G1 2QB (GB)

   


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