EP0046687 - Screening apparatus for paper making stock [Right-click to bookmark this link] | Status | Patent revoked Status updated on 18.04.1988 Database last updated on 22.04.2025 | Most recent event Tooltip | 27.06.2008 | Change - representative | published on 30.07.2008 [2008/31] | Applicant(s) | For all designated states THE BLACK CLAWSON COMPANY 605 Clark Street Middletown, Ohio 45042 / US | [1982/09] | Inventor(s) | 01 /
Secor, Ronald F. 409 Brelsford Avenue Trenton Ohio / US | [1982/09] | Representative(s) | Warren, Anthony Robert, et al Baron Warren Redfern Cambridge House 100 Cambridge Grove Hammersmith London W6 0LE / GB | [N/P] |
Former [2008/31] | Warren, Anthony Robert, et al Baron warren Redfern 19 South End Kensington London W8 5BU / GB | ||
Former [1982/09] | Warren, Anthony Robert, et al BARON & WARREN 18 South End Kensington London W8 5BU / GB | Application number, filing date | 81303873.4 | 25.08.1981 | [1982/09] | Priority number, date | US19800181258 | 25.08.1980 Original published format: US 181258 | US19810278803 | 29.06.1981 Original published format: US 278803 | [1982/09] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0046687 | Date: | 03.03.1982 | Language: | EN | [1982/09] | Type: | B1 Patent specification | No.: | EP0046687 | Date: | 21.11.1985 | Language: | EN | [1985/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.11.1981 | Classification | IPC: | D21D5/16, D21D5/02 | [1982/09] | CPC: |
D21D5/16 (EP);
B01D29/17 (EP);
B01D29/25 (EP);
B01D29/86 (EP);
B01D29/902 (EP);
D21D5/026 (EP);
B01D2201/287 (EP)
(-)
| C-Set: |
B01D29/17, B01D29/25, B01D29/86, B01D29/902 (EP)
| Designated contracting states | AT, DE, FR, GB, IT, SE [1982/09] | Title | German: | Siebvorrichtung für Papierfaserstoffaufschwemmungen | [1982/09] | English: | Screening apparatus for paper making stock | [1982/09] | French: | Dispositif de tamisage pour pâte à papier | [1982/09] | Examination procedure | 24.08.1982 | Examination requested [1982/44] | 04.08.1983 | Despatch of a communication from the examining division (Time limit: M04) | 03.12.1983 | Reply to a communication from the examining division | 24.02.1984 | Despatch of a communication from the examining division (Time limit: M04) | 28.06.1984 | Reply to a communication from the examining division | 17.01.1985 | Despatch of communication of intention to grant (Approval: ) | 15.03.1985 | Communication of intention to grant the patent | 30.05.1985 | Fee for grant paid | 30.05.1985 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
09.08.1986
19.09.1986
ADMISSIBLE A. Ahlström Corporation SF-48601 Karhula / FI Opponent's representative Gilmour, David Cedric Franklyn, et al, et al Forresters 15 Hamilton Square Birkenhead Merseyside CH41 6BR / GB | [N/P] |
Former [1986/41] | |||
Opponent(s) | 01
09.08.1986
19.09.1986
ADMISSIBLE A. Ahlström Corporation SF-48601 Karhula / FI Opponent's representative Gilmour, David Cedric Franklyn, et al, et al POTTS, KERR & CO. 15 Hamilton Square Birkenhead Merseyside L41 6BR / GB | 06.10.1986 | Invitation to proprietor to file observations on the notice of opposition | 06.04.1987 | Reply of patent proprietor to notice(s) of opposition | 11.05.1987 | Communication of observations of patent proprietor (Time limit: M04) | 09.09.1987 | Reply of parties involved to observations of patent proprietor | 29.12.1987 | Despatch of communication that the patent will be revoked | 08.01.1988 | Legal effect of revocation of patent [1988/23] | Fees paid | Renewal fee | 29.07.1983 | Renewal fee patent year 03 | 09.08.1984 | Renewal fee patent year 04 | 22.08.1985 | Renewal fee patent year 05 |
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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 | AT | 21.11.1985 | [1987/19] | Documents cited: | Search | US4105543 [ ] (SEIFERT PETER); | US4155841 [ ] (CHUPKA DAVID E [US], et al); | US3617008 [ ] (LAMORT PIERRE) |