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EP0029296
European procedure
Extract from the Register of European Patents
EP About this file: EP0029296
| EP0029296 - Internal combustion engine spark ignition system [Right-click to bookmark this link] | |||
| Former [1981/21] | Electrical circuit for driving a plurality of inductive loads | ||
| [1986/16] | Status | Patent revoked Status updated on 24.11.1988 Database last updated on 28.03.2026 | Most recent event Tooltip | 24.11.1988 | Revocation of patent | published on 11.01.1989 [1989/02] | Applicant(s) | For all designated states LUCAS INDUSTRIES public limited company Great King Street Birmingham, B19 2XF West Midlands / GB | [N/P] |
| Former [1981/21] | For all designated states LUCAS INDUSTRIES public limited company Great King Street Birmingham, B19 2XF West Midlands / GB | Inventor(s) | 01 /
Woodhouse, Richard Graham 225 Baldwins Lane Hall Green Birmingham B28 OPZ. / GB | [1981/21] | Representative(s) | Prutton, Roger, et al MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT / GB | [N/P] |
| Former [1981/21] | Prutton, Roger, et al MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT / GB | Application number, filing date | 80303575.7 | 10.10.1980 | [1981/21] | Priority number, date | GB19790036860 | 24.10.1979 Original published format: GB 7936860 | [1981/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0029296 | Date: | 27.05.1981 | Language: | EN | [1981/21] | Type: | B1 Patent specification | No.: | EP0029296 | Date: | 16.04.1986 | Language: | EN | [1986/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.03.1981 | Classification | IPC: | H03K17/64, H01F7/18, H02P3/04 | [1981/21] | CPC: |
H03K17/6285 (EP,US);
H01F7/1877 (EP,US);
H03K17/64 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1981/21] | Title | German: | Zündsystem für Brennkraftmaschinen | [1986/16] | English: | Internal combustion engine spark ignition system | [1986/16] | French: | Système d'allumage pour machines à combustion interne | [1986/16] |
| Former [1981/21] | Elektrische Treiberschaltung für eine Vielzahl induktiver Lasten | ||
| Former [1981/21] | Electrical circuit for driving a plurality of inductive loads | ||
| Former [1981/21] | Circuit électrique pour commander une pluralité de charges inductives | Examination procedure | 23.11.1981 | Examination requested [1982/04] | 18.08.1982 | Despatch of a communication from the examining division (Time limit: M04) | 22.12.1982 | Reply to a communication from the examining division | 11.08.1983 | Despatch of a communication from the examining division (Time limit: M06) | 30.01.1984 | Reply to a communication from the examining division | 09.11.1984 | Despatch of a communication from the examining division (Time limit: M04) | 07.03.1985 | Reply to a communication from the examining division | 10.07.1985 | Despatch of communication of intention to grant (Approval: ) | 17.10.1985 | Communication of intention to grant the patent | 09.01.1986 | Fee for grant paid | 09.01.1986 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
15.01.1987
06.02.1987
ADMISSIBLE Robert Bosch GmbH Zentralabteilung Patente Postfach 30 02 20 70442 Stuttgart / DE | [N/P] |
| Former [1987/11] | |||
| Opponent(s) | 01
15.01.1987
06.02.1987
ADMISSIBLE Robert Bosch GmbH Zentralabteilung Patente Postfach 30 02 20 D-70442 Stuttgart / DE | 31.03.1987 | Invitation to proprietor to file observations on the notice of opposition | 29.06.1987 | Reply of patent proprietor to notice(s) of opposition | 20.07.1988 | Despatch of communication that the patent will be revoked | 30.07.1988 | Legal effect of revocation of patent [1989/02] | Fees paid | Renewal fee | 15.10.1982 | Renewal fee patent year 03 | 26.10.1983 | Renewal fee patent year 04 | 11.10.1984 | Renewal fee patent year 05 | 12.10.1985 | 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 | IBM TECHNICAL DISCLOSURE BULLETIN, Vol. 16, No. 10, March 1974, New York, L. WALLACE "Driver Circuit" pages 3182 and 3183 | [A] IBM TECHNICAL DISCLOSURE BULLETIN, Vol. 20, No. 8, January 1978, New York, J.E. BATESON et al. "Pedestal Driver for Inductive Loads" pages 2948 to 2951 [A] |