EP0519810 - Method of geophysical prospection [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.05.1996 Database last updated on 22.08.2024 | Most recent event Tooltip | 28.08.2009 | Change - representative | published on 30.09.2009 [2009/40] | Applicant(s) | For:GB
Schlumberger Limited 277 Park Avenue New York, N.Y. 10172 / US | For:DE
DK
IT
SCHLUMBERGER TECHNOLOGY B.V. Carnegielaan 12 2517 KM Den Haag / NL | For:NL
Schlumberger Holdings Limited P.O. Box 71 Craigmuir Chambers Road Town, Tortola / VG | [N/P] |
Former [1992/52] | For:GB
SCHLUMBERGER LIMITED 277 Park Avenue New York, N.Y. 10172 / US | ||
For:DE
DK
IT
SCHLUMBERGER TECHNOLOGY B.V. Carnegielaan 12 NL-2517 KM Den Haag / NL | |||
For:NL
SCHLUMBERGER HOLDINGS LIMITED P.O. Box 71, Craigmuir Chambers Road Town, Tortola / VG | Inventor(s) | 01 /
Froelich, Benoît 26bis, chemin du Gaillon F-78160 Marly le Roi / FR | 02 /
Kimball, Christopher 21 Picketts Ridge Road West Redding, Connecticut 06896 / US | 03 /
Chang, Chung 82 Lawson Lane Ridgefield, Connecticut 0877 / US | [1992/52] | Representative(s) | Hagel, Francis, et al Etudes et Productions Schlumberger A L'ATTENTION DU SERVICE BREVETS 26, rue de la Cavée B.P. 202 92142 Clamart Cédex / FR | [2009/40] |
Former [1992/52] | Hagel, Francis, et al ETUDES ET PRODUCTIONS SCHLUMBERGER Service Brevets B.P. 202 F-92142 Clamart Cédex / FR | Application number, filing date | 92401679.3 | 17.06.1992 | [1992/52] | Priority number, date | FR19910007455 | 18.06.1991 Original published format: FR 9107455 | [1992/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0519810 | Date: | 23.12.1992 | Language: | EN | [1992/52] | Type: | B1 Patent specification | No.: | EP0519810 | Date: | 12.07.1995 | Language: | EN | [1995/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.10.1992 | Classification | IPC: | G01V1/00 | [1992/52] | CPC: |
G01V1/005 (EP,US)
| Designated contracting states | DE, DK, GB, IT, NL [1992/52] | Title | German: | Geophysisches Untersuchungsverfahren | [1992/52] | English: | Method of geophysical prospection | [1992/52] | French: | Procédé d'exploration géophysique | [1992/52] | Examination procedure | 16.06.1993 | Examination requested [1993/32] | 30.08.1994 | Despatch of communication of intention to grant (Approval: Yes) | 04.01.1995 | Communication of intention to grant the patent | 24.03.1995 | Fee for grant paid | 24.03.1995 | Fee for publishing/printing paid | Opposition(s) | 13.04.1996 | No opposition filed within time limit [1996/27] | Fees paid | Renewal fee | 13.04.1994 | Renewal fee patent year 03 | 08.04.1995 | Renewal fee patent year 04 |
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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 Tooltip | DK | 12.07.1995 | IT | 12.07.1995 | DE | 13.10.1995 | [2008/02] |
Former [1999/42] | DK | 12.07.1995 | |
IT | 12.07.1995 | ||
DE | 13.10.1995 | ||
Former [1998/15] | DK | 12.07.1995 | |
DE | 13.10.1995 | ||
Former [1996/14] | DE | 13.10.1995 | Documents cited: | Search | [X]US3307648 (MASTERSON HORACE T); | [A]US4607353 (MUIR FRANCIS [US]); | [AD]EP0419245 (TEXACO DEVELOPMENT CORP [US]) | [YD] - IEEE TRANSACTIONS ON INFORMATION THEORY vol. IT-18, no. 5, September 1972, pages 644 - 652 C.C. TSENG ET AL 'Complementary sets of sequences' |