| EP1426552 - Method of recovery of hydrocarbons from a subterranean reservoir [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.01.2007 Database last updated on 11.04.2026 | Most recent event Tooltip | 01.08.2008 | Change - applicant | published on 03.09.2008 [2008/36] | Applicant(s) | For all designated states BAKER HUGHES INCORPORATED 3900 Essex Lane Suite 1200 Houston TX 77027 / US | [2008/36] |
| Former [2006/10] | For all designated states BAKER HUGHES INCORPORATED 3900 Essex Lane Suite 1200 P.O. Box 4740 Houston Texas 77210-4740 / US | ||
| Former [2004/24] | For all designated states BAKER HUGHES INCORPORATED 3900 Essex Lane Suite 1200 P.O. Box 4740 Houston Texas 77210-4740 / US | Inventor(s) | 01 /
Estes, Robert A. 16326 Avenplace Road Tomball Texas 77375 / US | 02 /
Kahn, Jon B. 19710 Leemyers Lane Spring Texas 77388 / US | [2004/24] | Representative(s) | Jeffrey, Philip Michael Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
| Former [2004/24] | Jeffrey, Philip Michael Frank B. Dehn & Co. 179 Queen Victoria Street London EC4V 4EL / GB | Application number, filing date | 04004829.0 | 29.08.2001 | [2004/24] | Priority number, date | US20000228578P | 29.08.2000 Original published format: US 228578 P | US20000669759 | 26.09.2000 Original published format: US 669759 | [2004/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP1426552 | Date: | 09.06.2004 | Language: | EN | [2004/24] | Type: | A3 Search report | No.: | EP1426552 | Date: | 15.09.2004 | [2004/38] | Type: | B1 Patent specification | No.: | EP1426552 | Date: | 08.03.2006 | Language: | EN | [2006/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.08.2004 | Classification | IPC: | E21B43/16, E21B47/022, G01C19/38 | [2004/38] | CPC: |
E21B47/022 (EP);
G01C19/38 (EP)
|
| Former IPC [2004/24] | E21B43/16 | Designated contracting states | BE, DE, FR, IT, NL [2005/22] |
| Former [2004/24] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE, TR | Title | German: | Verfahren zur Gewinnung von Kohlenwasserstoffen aus einer unterirdischen Lagerstätte | [2005/39] | English: | Method of recovery of hydrocarbons from a subterranean reservoir | [2004/24] | French: | Procédé d'extraction d'hydrocarbures à partir d'un reservoir souterrain | [2004/24] |
| Former [2004/24] | Verfahren zur Gewinnung von Kohlenwasserstoffen aus einer unterirdischen Lagerstäte | Examination procedure | 21.02.2005 | Examination requested [2005/16] | 16.03.2005 | Loss of particular rights, legal effect: designated state(s) | 24.03.2005 | Despatch of a communication from the examining division (Time limit: M04) | 01.07.2005 | Despatch of communication of loss of particular rights: designated state(s) AT, CH, CY, DK, ES, FI, GB, GR, IE, LU, MC, PT, SE, TR | 19.07.2005 | Reply to a communication from the examining division | 26.08.2005 | Communication of intention to grant the patent | 03.01.2006 | Fee for grant paid | 03.01.2006 | Fee for publishing/printing paid | Parent application(s) Tooltip | EP01307344.0 / EP1184539 | Opposition(s) | 11.12.2006 | No opposition filed within time limit [2007/07] | Fees paid | Renewal fee | 02.03.2004 | Renewal fee patent year 03 | 23.08.2004 | Renewal fee patent year 04 | 19.08.2005 | Renewal fee patent year 05 | Penalty fee | Penalty fee Rule 85a EPC 1973 | 19.04.2005 | AT   M01   Not yet paid | 19.04.2005 | CH   M01   Not yet paid | 19.04.2005 | CY   M01   Not yet paid | 19.04.2005 | DK   M01   Not yet paid | 19.04.2005 | ES   M01   Not yet paid | 19.04.2005 | FI   M01   Not yet paid | 19.04.2005 | GB   M01   Not yet paid | 19.04.2005 | GR   M01   Not yet paid | 19.04.2005 | IE   M01   Not yet paid | 19.04.2005 | LU   M01   Not yet paid | 19.04.2005 | MC   M01   Not yet paid | 19.04.2005 | PT   M01   Not yet paid | 19.04.2005 | SE   M01   Not yet paid | 19.04.2005 | TR   M01   Not yet paid |
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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 | deleted | [2007/45] |
| Former [2007/41] | IT | 08.03.2006 | Documents cited: | Search | [A] US5868210 (JOHNSON MICHAEL H et al.) [A] 1 * column 6, line 63 - column 7, line 13 * * abstract * |