Register information Patent

DE file number : P 37 79 069.2 (Status: not pending/lapsed, Query started: November 5, 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 DAKZP 37 79 069.2
96EP file numberEAKZ87 31 0637.1
97EP publication numberEPN271284
54Designation/titleTIVerfahren zur Anregung der ein abgelenktes Bohrloch umgebenden Erdformation durch sequenz-hydraulische Spaltenbildung.
51IPC main classICM
(ICMV)		 E21B 43/26 (1995.01)
22DE application dateDATDec 3, 1987
96EP application dateEATDec 3, 1987
43Date of first publicationOTJul 21, 1988
Date of publication of grantPETMay 13, 1992
71/73Applicant/ownerINHMobil Oil Corporation, New York, US
72InventorINUhri, Duane Christian, Grand Prairie Texas 75050, US
74RepresentativeVTRDiehl & Partner GbR, 80333 München, DE
Address for service Diehl & Partner GbR Patent- und Rechtsanwälte, 80098 München, DE
33
31
32
Foreign priorityPRC
PRNA
PRDA
US
938891
Dec 8, 1986
Patent division in charge 24
97EP language of publicationELANGEN - Englisch
84Designated EP contracting statesEDSAT, DE, FR, GB, NL
43Date of first publicationEVTJun 15, 1988
Date of the first transfer into DPMAregisterEREGTOct 1, 2012
Date of the (most recent) update in DPMAregisterREGTFeb 8, 2013
(Show all update days)(Hide all update days)
  • Feb 8, 2013
    • Historical data not available for this/these date(s)
  • Oct 1, 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 EP application EPO 1st publication Jun 15, 1988   Display details
2 Publications Publication of a mention regarding EP 1st publication by DPMA Jul 21, 1988 Jul 21, 1988 Display details
3 Procedure relating to EP application EPO publication of search report May 3, 1989   Display details
4 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) May 13, 1992   Display details
5 Publications Publication by DPMA of mention regarding EP patent grant Jun 17, 1992 Jun 17, 1992 Display details
6 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision Feb 15, 1993 Jun 9, 1993 Display details
7 Change of classification Change of IPC main class Oct 1, 1994   Display details
8 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 Sep 1, 1998 Jan 14, 1999 Display details