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EP0249609
European procedure
Extract from the Register of European Patents
EP About this file: EP0249609
| EP0249609 - PROCESS FOR INCREASING THE DEGREE OF OIL EXTRACTION [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.10.1992 Database last updated on 31.08.2024 | Most recent event Tooltip | 15.10.1992 | No opposition filed within time limit | published on 02.12.1992 [1992/49] | Applicant(s) | For all designated states INDUSTRIKONTAKT ING. O. ELLINGSEN & CO: Kleiva 20 N-6900 Floro / NO | [1987/52] | Inventor(s) | 01 /
ELLINGSEN, Olav Kleiva 20 N-6900 Floro / NO | [1987/52] | Representative(s) | Ellis, John Clifford H., et al MEWBURN ELLIS & CO. 2/3 Cursitor Street London EC4A 1BQ / GB | [N/P] |
| Former [1987/52] | Ellis, John Clifford Holgate, et al MEWBURN ELLIS & CO. 2/3 Cursitor Street London EC4A 1BQ / GB | Application number, filing date | 86906967.4 | 03.12.1986 | [1987/52] | WO1986NO00080 | Priority number, date | NO19850004852 | 03.12.1985 Original published format: NO 854852 | [1987/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8703643 | Date: | 18.06.1987 | Language: | EN | [1987/13] | Type: | A1 Application with search report | No.: | EP0249609 | Date: | 23.12.1987 | Language: | EN | The application published by WIPO in one of the EPO official languages on 18.06.1987 takes the place of the publication of the European patent application. | [1987/52] | Type: | B1 Patent specification | No.: | EP0249609 | Date: | 11.12.1991 | Language: | EN | [1991/50] | Search report(s) | International search report - published on: | SE | 18.06.1987 | Classification | IPC: | E21B43/16, E21B43/25 | [1987/52] | CPC: |
E21B43/2401 (EP,US);
E21B43/003 (EP,US)
| Designated contracting states | DE, GB, IT, NL, SE [1987/52] | Title | German: | VERFAHREN ZUR STEIGERUNG DES GRADES VON ÖLEXTRAKTION | [1987/52] | English: | PROCESS FOR INCREASING THE DEGREE OF OIL EXTRACTION | [1987/52] | French: | PROCEDE PERMETTANT D'AUGMENTER LE DEGRE D'EXTRACTION DU PETROLE | [1987/52] | Entry into regional phase | 24.08.1987 | National basic fee paid | 24.08.1987 | Designation fee(s) paid | 24.08.1987 | Examination fee paid | Examination procedure | 24.08.1987 | Examination requested [1987/52] | 01.09.1988 | Despatch of a communication from the examining division (Time limit: M08) | 10.05.1989 | Reply to a communication from the examining division | 20.09.1989 | Despatch of a communication from the examining division (Time limit: M06) | 29.03.1990 | Reply to a communication from the examining division | 21.08.1990 | Despatch of a communication from the examining division (Time limit: M04) | 22.09.1990 | Reply to a communication from the examining division | 08.01.1991 | Despatch of communication of intention to grant (Approval: Yes) | 17.05.1991 | Communication of intention to grant the patent | 05.08.1991 | Fee for grant paid | 05.08.1991 | Fee for publishing/printing paid | Opposition(s) | 12.09.1992 | No opposition filed within time limit [1992/49] | Fees paid | Renewal fee | 19.12.1988 | Renewal fee patent year 03 | 22.12.1989 | Renewal fee patent year 04 | 13.12.1990 | Renewal fee patent year 05 | 27.12.1991 | Renewal fee patent year 06 |
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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. | Cited in | International search | [X]US2670801 (SHERBORNE JOHN E); | [Y]US3169577 (ERICH SARAPUU); | [X]US3952800 (BODINE ALBERT G); | [Y]US4049053 (FISHER SIDNEY T, et al); | [X]FR2517361 (NEFTEGAZOVY INST [SU]) | [X] - DERWENT'S ABSTRACT No. 29 264 K/12, SU 927 983 | [X] - DERWENT'S ABSTRACT No. 84-305834/49, SU 1 086 131 |