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EP0090657
European procedure
Extract from the Register of European Patents
EP About this file: EP0090657
| EP0090657 - A method of making abrasive bodies [Right-click to bookmark this link] | |||
| Former [1983/40] | Abrasive bodies | ||
| [1987/02] | Status | No opposition filed within time limit Status updated on 30.10.1987 Database last updated on 19.10.2024 | Most recent event Tooltip | 30.10.1987 | No opposition filed within time limit | published on 16.12.1987 [1987/51] | Applicant(s) | For all designated states DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED 8th Floor 45 Main Street Johannesburg Transvaal / ZA | [N/P] |
| Former [1983/40] | For all designated states DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED 8th Floor 45 Main Street Johannesburg Transvaal / ZA | Inventor(s) | 01 /
Almond, Eric Alfred 43 West Avenue West Molesey Surrey, KT8 9RG / GB | 02 /
Gee, Mark Godden 20 Morland Close Hampton Teddington Middlesex / GB | [1983/40] | Representative(s) | Jones, Alan John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | [N/P] |
| Former [1983/40] | Jones, Alan John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | Application number, filing date | 83301794.0 | 30.03.1983 | [1983/40] | Priority number, date | GB19820009409 | 31.03.1982 Original published format: GB 8209409 | GB19830002620 | 31.01.1983 Original published format: GB 8302620 | [1983/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0090657 | Date: | 05.10.1983 | Language: | EN | [1983/40] | Type: | A3 Search report | No.: | EP0090657 | Date: | 14.11.1984 | Language: | EN | [1984/46] | Type: | B1 Patent specification | No.: | EP0090657 | Date: | 07.01.1987 | Language: | EN | [1987/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.09.1984 | Classification | IPC: | B24D3/06, E21B10/56, B22F3/14, B22F7/06, B23K31/04, B23B27/20 | [1984/43] | CPC: |
B23K20/16 (EP,US);
B22F3/14 (EP,US);
B22F7/06 (EP,US);
B23K20/22 (EP,US);
B23P15/30 (EP,US);
B24D18/00 (EP,US);
B24D3/007 (EP,US);
B24D3/06 (EP,US);
C04B35/645 (EP,US);
C04B37/025 (EP,US);
C04B37/026 (EP,US);
C04B2237/08 (EP,US);
C04B2237/123 (EP,US);
C04B2237/124 (EP,US);
C04B2237/348 (EP,US);
C04B2237/361 (EP,US);
C04B2237/363 (EP,US);
C04B2237/368 (EP,US);
C04B2237/401 (EP,US);
C04B2237/405 (EP,US);
C04B2237/52 (EP,US);
C04B2237/64 (EP,US);
C04B2237/708 (EP,US);
C04B2237/72 (EP,US);
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| Former IPC [1983/40] | B24D3/06 | Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1983/40] | Title | German: | Verfahren zur Herstellung von Schleifkörpern | [1987/02] | English: | A method of making abrasive bodies | [1987/02] | French: | Procédé pour la fabrication de corps abrasifs | [1987/02] |
| Former [1983/40] | Schleifkörper | ||
| Former [1983/40] | Abrasive bodies | ||
| Former [1983/40] | Corps abrasifs | Examination procedure | 26.10.1984 | Examination requested [1985/02] | 03.06.1985 | Despatch of a communication from the examining division (Time limit: M04) | 20.09.1985 | Reply to a communication from the examining division | 03.04.1986 | Despatch of communication of intention to grant (Approval: ) | 14.07.1986 | Communication of intention to grant the patent | 31.07.1986 | Fee for grant paid | 31.07.1986 | Fee for publishing/printing paid | Opposition(s) | 08.10.1987 | No opposition filed within time limit [1987/51] | Fees paid | Renewal fee | 13.03.1985 | Renewal fee patent year 03 | 15.03.1986 | Renewal fee patent year 04 |
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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 | [AD]US3743489 (WENTORF R, et al); | [AD]GB1489130 (DE BEERS IND DIAMOND); | [A]EP0003116 (GEN ELECTRIC [US]); | [A]EP0003915 (DE BEERS IND DIAMOND [ZA]); | [A]US4247305 (DANIELS WILLIAM H, et al); | [A]US4252263 (HOUSTON DOUGLAS E); | [E]EP0079243 (SUMITOMO ELECTRIC INDUSTRIES [JP]) | [X] - THE OIL AND GAS JOURNAL, vol. 77, no. 8, 19th February 1979, pages 111-114, Tulsa, USA; C.F. HUFF et al.: "Bonding technique attaches stratapax to drill bits" | [X] - WORLD OIL, vol. 190, no. 4, March 1980, pages 63-70, Texas, USA; S.G. VARNADO et al.: "Studies aim at optimum design for PDC hard-formation bits" | [A] - WELDING JOURNAL, vol. 54, no. 11, November 1975, pages 799-804, Miami, USA; P.M. BARTLE: "Diffusion bonding: A look at the future" |