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Extract from the Register of European Patents

EP About this file: EP3863008

EP3863008 - ACOUSTIC RESONANCE TRANSFORMER, PIANO AND GRAND PIANO USING THE SAME AND METHOD OF OPTIMISING SOUND OF PIANOS AND GRAND PIANOS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.12.2023
Database last updated on 31.08.2024
FormerThe patent has been granted
Status updated on  13.01.2023
FormerGrant of patent is intended
Status updated on  02.09.2022
FormerRequest for examination was made
Status updated on  15.07.2022
FormerGrant of patent is intended
Status updated on  15.03.2022
FormerRequest for examination was made
Status updated on  09.07.2021
Most recent event   Tooltip31.05.2024Lapse of the patent in a contracting state
New state(s): BE, FR, IT		published on 03.07.2024  [2024/27]
Applicant(s)For all designated states
Senftleben, Knut
Schulstrasse 4
21781 Cadenberge / DE
[2021/32]
Inventor(s)01 / see applicant
...
 [2021/32]
Representative(s)Manasse, Uwe
Boehmert & Boehmert
Anwaltspartnerschaft mbB
Pettenkoferstrasse 22
80336 München / DE
[2021/32]
Application number, filing date21158094.929.05.2020
[2021/32]
Priority number, dateDE2019100386104.06.2019         Original published format: DE102019003861
[2021/32]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3863008
Date:11.08.2021
Language:DE
[2021/32]
Type: B1 Patent specification 
No.:EP3863008
Date:15.02.2023
Language:DE
[2023/07]
Search report(s)(Supplementary) European search report - dispatched on:EP26.04.2021
ClassificationIPC:G10C1/04, G10C3/06, F16F3/12
[2021/32]
CPC:
G10K11/04 (EP); F16F3/12 (EP); G10C1/04 (EP);
G10C3/06 (EP); F16F2238/026 (EP)
Designated contracting statesAL,   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 [2021/32]
TitleGerman:AKUSTISCHER RESONANZÜBERTRAGER, KLAVIER UND FLÜGEL MIT DEMSELBEN UND VERFAHREN ZUR KLANGOPTIMIERUNG VON KLAVIEREN UND FLÜGELN[2021/32]
English:ACOUSTIC RESONANCE TRANSFORMER, PIANO AND GRAND PIANO USING THE SAME AND METHOD OF OPTIMISING SOUND OF PIANOS AND GRAND PIANOS[2021/32]
French:TRANSFORMATEUR À RÉSONANCE ACOUSTIQUE, PIANO ET PIANO À QUEUE POURVUS DE CELUI-CI ET PROCÉDÉ D'OPTIMISATION DE LA TONALITÉ DES PIANOS ET DES PIANOS À QUEUE[2021/32]
Examination procedure19.02.2021Examination requested  [2021/32]
21.09.2021Amendment by applicant (claims and/or description)
16.03.2022Communication of intention to grant the patent
14.07.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
02.09.2022Communication of intention to grant the patent
02.01.2023Fee for grant paid
02.01.2023Fee for publishing/printing paid
02.01.2023Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP20177390.0  / EP3796304
Opposition(s)16.11.2023No opposition filed within time limit [2024/04]
Fees paidRenewal fee
19.07.2022Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
31.05.202203   M06   Fee paid on   19.07.2022
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
IT15.02.2023
LT15.02.2023
LV15.02.2023
MC15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SI15.02.2023
SK15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
IE29.05.2023
LU29.05.2023
BE31.05.2023
CH31.05.2023
FR31.05.2023
LI31.05.2023
IS15.06.2023
PT15.06.2023
[2024/27]
Former [2024/21]CZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
MC15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SI15.02.2023
SK15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
IE29.05.2023
LU29.05.2023
CH31.05.2023
LI31.05.2023
IS15.06.2023
PT15.06.2023
Former [2024/11]CZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
MC15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SI15.02.2023
SK15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
LU29.05.2023
CH31.05.2023
LI31.05.2023
IS15.06.2023
PT15.06.2023
Former [2024/09]CZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
MC15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SK15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
LU29.05.2023
CH31.05.2023
LI31.05.2023
IS15.06.2023
PT15.06.2023
Former [2024/08]CZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
MC15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SK15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
LU29.05.2023
IS15.06.2023
PT15.06.2023
Former [2023/50]CZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SK15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
IS15.06.2023
PT15.06.2023
Former [2023/49]CZ15.02.2023
DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
PL15.02.2023
RO15.02.2023
RS15.02.2023
SE15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
IS15.06.2023
PT15.06.2023
Former [2023/48]DK15.02.2023
EE15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
PL15.02.2023
RS15.02.2023
SE15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
IS15.06.2023
PT15.06.2023
Former [2023/46]DK15.02.2023
ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
PL15.02.2023
RS15.02.2023
SE15.02.2023
SM15.02.2023
NO15.05.2023
GR16.05.2023
IS15.06.2023
PT15.06.2023
Former [2023/39]ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
PL15.02.2023
RS15.02.2023
SE15.02.2023
NO15.05.2023
GR16.05.2023
IS15.06.2023
PT15.06.2023
Former [2023/38]ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
PL15.02.2023
RS15.02.2023
SE15.02.2023
NO15.05.2023
GR16.05.2023
PT15.06.2023
Former [2023/37]ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
RS15.02.2023
SE15.02.2023
NO15.05.2023
GR16.05.2023
PT15.06.2023
Former [2023/36]ES15.02.2023
FI15.02.2023
HR15.02.2023
LT15.02.2023
LV15.02.2023
NL15.02.2023
RS15.02.2023
SE15.02.2023
NO15.05.2023
PT15.06.2023
Former [2023/35]ES15.02.2023
HR15.02.2023
LT15.02.2023
NL15.02.2023
RS15.02.2023
NO15.05.2023
PT15.06.2023
Former [2023/34]ES15.02.2023
LT15.02.2023
RS15.02.2023
PT15.06.2023
Former [2023/33]ES15.02.2023
LT15.02.2023
Documents cited:Search[A]DE33779  (EMIL HÖFFINGHOF) [A] 1-7* the whole document *;
 [A]US1664553  (HAMMOND JR JOHN HAYS) [A] 5-7 * Seite 1, Spalte 1, Zeile 5-18 ; Seite 2, Spalte 1, Zeile 10-18; S. 3, Spalte 2, Z. 113-124 ; Seite 3, Zeile 35-74;; figures 1, 2 *;
 [X]KR100775362B  (RYOO HYUN WOOK [KR]) [X] 1-4 * figure 5; claim 3 *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.