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EP0228255
European procedure
Extract from the Register of European Patents
EP About this file: EP0228255
| EP0228255 - Method and system to provide thermal power for a power plant [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.09.1993 Database last updated on 20.07.2024 | Most recent event Tooltip | 23.09.1993 | No opposition filed within time limit | published on 10.11.1993 [1993/45] | Applicant(s) | For all designated states Ostlie, L David 19540 Patrick Place Corcoran Minnesota 55340 / US | [N/P] |
| Former [1993/10] | For all designated states Ostlie, L David 19540 Patrick Place Corcoran Minnesota 55340 / US | ||
| Former [1989/17] | For all designated states Ostlie, David L. 19540 Patrick Place Corcoran Minnesota 55340 / US | ||
| Former [1987/28] | For all designated states Northern States Power Company 414 Nicollett Mall Minneapolis Minnesota 55401 / US | ||
| For all designated states Ostlie, David L. 19540 Patrick Place Corcoran Minnesota 55340 / US | Inventor(s) | 01 /
see applicant ... | [1989/24] |
| Former [1987/28] | 01 /
Ostlie, David L. 19540 Patrick Place Corcoran Minnesota 55340 / US | Representative(s) | Hepworth, John Malcolm Hepworth Lawrence Bryer & Bizley Bloxam Court Corporation Street Rugby Warwickshire CV21 2DU / GB | [N/P] |
| Former [1987/28] | Hepworth, John Malcolm Hepworth Lawrence Bryer & Bizley Bloxam Court Corporation Street Rugby Warwickshire CV21 2DU / GB | Application number, filing date | 86309908.1 | 18.12.1986 | [1987/28] | Priority number, date | US19850811413 | 20.12.1985 Original published format: US 811413 | [1987/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0228255 | Date: | 08.07.1987 | Language: | EN | [1987/28] | Type: | A3 Search report | No.: | EP0228255 | Date: | 25.01.1989 | Language: | EN | [1989/04] | Type: | B1 Patent specification | No.: | EP0228255 | Date: | 19.11.1992 | Language: | EN | [1992/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.12.1988 | Classification | IPC: | F23G5/46, F23G5/16, F23G5/04, F23G5/44 | [1987/28] | CPC: |
F23G5/444 (EP,US);
F23G5/04 (EP,US);
F23G5/165 (EP,US);
F23G5/46 (EP,US);
F23G7/105 (EP,US);
Y02E20/12 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1987/28] | Title | German: | Verfahren und Anlage zur Versorgung eines Kraftwerks mit Wärmeenergie | [1987/28] | English: | Method and system to provide thermal power for a power plant | [1987/28] | French: | Procédé et installation pour fournir de l'énergie thermique à une centrale électrique | [1987/28] | Examination procedure | 21.07.1989 | Examination requested [1989/38] | 08.01.1990 | Despatch of a communication from the examining division (Time limit: M06) | 30.05.1990 | Reply to a communication from the examining division | 13.06.1990 | Despatch of a communication from the examining division (Time limit: M06) | 14.12.1990 | Reply to a communication from the examining division | 23.04.1991 | Date of oral proceedings | 03.05.1991 | Minutes of oral proceedings despatched | 23.08.1991 | Despatch of a communication from the examining division (Time limit: M04) | 05.10.1991 | Reply to a communication from the examining division | 17.02.1992 | Despatch of communication of intention to grant (Approval: Yes) | 22.05.1992 | Communication of intention to grant the patent | 18.08.1992 | Fee for grant paid | 18.08.1992 | Fee for publishing/printing paid | Opposition(s) | 20.08.1993 | No opposition filed within time limit [1993/45] | Fees paid | Renewal fee | 15.12.1988 | Renewal fee patent year 03 | 24.11.1989 | Renewal fee patent year 04 | 29.11.1990 | Renewal fee patent year 05 | 25.11.1991 | 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. | Documents cited: | Search | [A]US2029576 (VIKTOR KOLB); | [A]FR821443 (LEHMANN & CIE) |