(19)
(11) EP 2 669 501 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.04.2020 Bulletin 2020/14

(45) Mention of the grant of the patent:
19.02.2020 Bulletin 2020/08

(21) Application number: 13168726.1

(22) Date of filing: 22.05.2013
(51) International Patent Classification (IPC): 
F02K 3/06(2006.01)
 F02C 7/045(2006.01)

(54)

Acoustic panel

Akustikplatte

Panneau acoustique

(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

(30) Priority: 31.05.2012 GB 201209658

(43) Date of publication of application:
04.12.2013 Bulletin 2013/49

(73) Proprietor: Rolls-Royce plc
London N1 9FX (GB)

(72) Inventor:
  • Murray, Paul
    Horsham, Surrey RH12 1RP (GB)

(74) Representative: Rolls-Royce plc 
Intellectual Property Dept SinA-48 PO Box 31
Derby DE24 8BJ
Derby DE24 8BJ (GB)


(56) References cited: : 
FR-A1- 2 818 421
 US-A- 4 235 303
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).