Register information Patent

DE file number : 101 37 721.5 (Status: not pending/lapsed, Query started: May 11, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INIDCriterionFieldContent
Type of IP rightSARTPatent
StatusSTNot pending/lapsed
21DE file number DAKZ101 37 721.5
54Designation/titleTIVerfahren zur aktiven, akustischen Echokompensation
51IPC main classICM
(ICMV)		 G10K 11/178 (2006.01)
22DE application dateDATAug 1, 2001
43Date of first publicationOTFeb 13, 2003
71/73Applicant/ownerINHNaumann, Lutz, 42781 Haan, DE
72InventorINApplicant is inventor
10Published DE documentsDEPNOriginal document: DE000010137721A1
Searchable text: DE000010137721A1
Address for service Herrn Lutz Naumann, 42781 Haan, DE
Patent division in charge 51
65Splitting off in file numberAIAKZ201 21 610.8
57AbstractABDie Anmeldung betrifft ein Verfahren zur aktiven, akustischen Verminderung von durch Reflexion an Grenzflächen entstehenden Echos bei der Schallwiedergabe. Dabei wird die originale Impulsantwort einer Schallquelle im Schallfeld erhalten und akustische Überlagerungen, die als Echo das Originalsignal stören, auf akustischem Wege aktiv ausgeblendet.
43Date of first publicationEVTFeb 13, 2003
Number of official communications (office actions) 0
Number of responses 0
Date of the first transfer into DPMAregisterEREGTMay 26, 2011
Date of the (most recent) update in DPMAregisterREGTMay 18, 2015
(Show all update days)(Hide all update days)
  • May 18, 2015; Feb 10, 2013
    • Historical data not available for this/these date(s)
  • May 26, 2011
    • Date of the first transfer into DPMAregister
Procedural data
No.Kind of procedureLegal statusDate of legal/procedural statusPublication dateAlle Details anzeigen
1 Pre-registration procedure The application is under preliminary examination Aug 1, 2001  Details anzeigen
2 Pre-registration procedure Pre-registration procedure has been concluded Nov 14, 2001  Details anzeigen
3 Publications Publication of application (Offenlegungsschrift) Feb 13, 2003 Feb 13, 2003 Details anzeigen
4 Administrative procedure Splitting off utility model Mar 6, 2003  Details anzeigen
5 Change of classification Change of IPC main class Oct 17, 2005  Details anzeigen
6 Administrative procedure Application is deemed to be withdrawn due to non-payment of annual fee/ IP right has lapsed due to non-payment of annual fee Mar 1, 2006 Jun 14, 2006 Details anzeigen
View procedures Pre-registration procedure (No.: 1)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTThe application is under preliminary examination
Date of legal/procedural statusVSTTAug 1, 2001
View procedures Pre-registration procedure (No.: 2)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTPre-registration procedure has been concluded
Date of legal/procedural statusVSTTNov 14, 2001
View procedures Publications (No.: 3)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication of application (Offenlegungsschrift)
Date of legal/procedural statusVSTTFeb 13, 2003
Issue numberHN7
YearPJ2003
Publication dateVTFeb 13, 2003
Type of publicationPARTDocuments
PartHTPart 1
10Published DE documentsDEPNOriginal document: DE000010137721A1
Searchable text: DE000010137721A1
View procedures Administrative procedure (No.: 4)
INIDCriterionFieldContent Close details
Type of procedureVARTAdministrative procedure
Legal/procedural statusVSTSplitting off utility model
Date of legal/procedural statusVSTTMar 6, 2003
View procedures Change of classification (No.: 5)
INIDCriterionFieldContent Close details
Type of procedureVARTChange of classification
Legal/procedural statusVSTChange of IPC main class
Date of legal/procedural statusVSTTOct 17, 2005
51IPC main classICM
(ICMV)		 G10K 11/178 (2006.01)
51Previous IPC main classICMF
(ICMVF)		 G10K 11/178 (2000.01)
View procedures Administrative procedure (No.: 6)
INIDCriterionFieldContent Close details
Type of procedureVARTAdministrative procedure
Legal/procedural statusVSTApplication is deemed to be withdrawn due to non-payment of annual fee/ IP right has lapsed due to non-payment of annual fee
Date of legal/procedural statusVSTTMar 1, 2006
Issue numberHN24
YearPJ2006
Publication dateVTJun 14, 2006
Type of publicationPARTBibliographic data
PartHTPart 2