Register information Patent

DE file number : 691 04 839.8 (Status: not pending/lapsed, Query started: September 19, 2024)

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 DAKZ691 04 839.8
96EP file numberEAKZ91 91 5193.6
86WO file numberWAKZPCT/US91/04016
97EP publication numberEPN540672
87WO publication numberWPN1992001886
54Designation/titleTILUFTFÜHRUNGSSYSTEM.
51IPC main classICM
(ICMV)
F16L 21/03 (2000.01)
51IPC secondary class(es)ICS
(ICSV)
F16L 27/10 (2000.01)
22DE application dateDATJun 7, 1991
96EP application dateEATJun 7, 1991
86WO application dateWATJun 7, 1991
43Date of first publicationOTFeb 6, 1992
Date of publication of grantPETOct 26, 1994
71/73Applicant/ownerINHDonaldson Co., Inc., Minneapolis, Minn., US
72InventorINENGEL, Donald Francis, Prior Lake, MN 55372, US; GIESEKE, Steven Scott, Richfield, MN 55431, US
74RepresentativeVTREisenführ Speiser Patentanwälte Rechtsanwälte PartGmbB, 28217 Bremen, DE
10Published DE documentsDEPNOriginal document: DE000069104839T2
Searchable text: DE000069104839T2
Address for service Herren Patentanwälte Dipl.-Ing. Günther Eisenführ und Sozien, 28217 Bremen, DE
33
31
32
Foreign priorityPRC
PRNA
PRDA
US
557982
Jul 26, 1990
Patent division in charge 24
97EP language of publicationELANGEN - Englisch
84Designated EP contracting statesEDSDE, FR, GB, IT, SE
Published EP/WO documentsEPWOPNOriginal document: EP000000540672
Searchable text: EP000000540672
Original document: EP000000540672B1
Searchable text: EP000000540672B1
Original document: WO001992001886
Searchable text: WO001992001886
43Date of first publicationEVTFeb 6, 1992
Date of the first transfer into DPMAregisterEREGTSep 26, 2012
Date of the (most recent) update in DPMAregisterREGTOct 29, 2018
(Show all update days)(Hide all update days)
  • Oct 29, 2018; Jan 20, 2013
    • Historical data not available for this/these date(s)
  • Sep 26, 2012
    • Date of the first transfer into DPMAregister
Procedural data
No. Kind of procedure Legal status Date of legal/procedural status Date of legal/procedural status sorted ascending Date of first publication Display all details
1 Procedure relating to PCT application WO first publication without search report Feb 6, 1992   Display details
2 Procedure relating to EP application EPO 1st publication May 12, 1993   Display details
3 Procedure relating to EP application EPO publication of search report May 12, 1993   Display details
4 Publications Publication of a mention regarding EP 1st publication by DPMA Jun 17, 1993 Jun 17, 1993 Display details
5 Change of classification Change of IPC main class Oct 25, 1994   Display details
6 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) Oct 26, 1994   Display details
7 Publications Publication by DPMA of mention regarding EP patent grant Dec 1, 1994 Dec 1, 1994 Display details
8 Publications Translation of EP patent specification Mar 2, 1995 Mar 2, 1995 Display details
9 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision Jul 26, 1995   Display details
10 Change of classification Change of IPC main class Oct 9, 1999   Display details
11 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 May 3, 2000 Sep 7, 2000 Display details