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EP0499486
European procedure
Extract from the Register of European Patents
EP About this file: EP0499486
| EP0499486 - Investment casting method and pattern material [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.03.1998 Database last updated on 21.05.2024 | Most recent event Tooltip | 07.12.2007 | Lapse of the patent in a contracting state New state(s): NL | published on 09.01.2008 [2008/02] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1992/34] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
Quinn, John Anthony 42 Roosevelt Avenue Morganville, New Jersey 07751 / US | 02 /
Fan, Roxy Ni 3 Heritage Court East Brunswick, New Jersey 08816 / US | 03 /
Lawton, John Alan RD No.2 Box 280 Landenberg, Pennsylvania 19350 / US | [1992/34] | Representative(s) | Davies, Christopher Robert Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
| Former [1992/34] | Davies, Christopher Robert Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ / GB | Application number, filing date | 92301241.3 | 14.02.1992 | [1992/34] | Priority number, date | US19910655688 | 14.02.1991 Original published format: US 655688 | [1992/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0499486 | Date: | 19.08.1992 | Language: | EN | [1992/34] | Type: | A3 Search report | No.: | EP0499486 | Date: | 14.10.1992 | Language: | EN | [1992/42] | Type: | B1 Patent specification | No.: | EP0499486 | Date: | 02.05.1997 | Language: | EN | [1997/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.08.1992 | Classification | IPC: | B22C7/02, B22C9/04, B22C7/00 | [1992/34] | CPC: |
B22C9/04 (EP,US);
B22C7/02 (EP,US);
C08F2/50 (US)
| Designated contracting states | CH, DE, FR, GB, IT, LI, NL [1992/34] | Title | German: | Feingiessverfahren und Zusammensetzung des Modells | [1992/34] | English: | Investment casting method and pattern material | [1992/34] | French: | Procédé de coulée de précision et composition du modèle | [1992/34] | Examination procedure | 06.04.1993 | Examination requested [1993/23] | 02.05.1995 | Despatch of a communication from the examining division (Time limit: M06) | 13.11.1995 | Reply to a communication from the examining division | 17.06.1996 | Despatch of communication of intention to grant (Approval: Yes) | 03.09.1996 | Communication of intention to grant the patent | 28.11.1996 | Fee for grant paid | 28.11.1996 | Fee for publishing/printing paid | Opposition(s) | 03.02.1998 | No opposition filed within time limit [1998/17] | Fees paid | Renewal fee | 22.02.1994 | Renewal fee patent year 03 | 21.02.1995 | Renewal fee patent year 04 | 26.02.1996 | Renewal fee patent year 05 | 24.02.1997 | 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. | Lapses during opposition Tooltip | IT | 02.05.1997 | NL | 02.05.1997 | [2003/07] |
| Former [1999/42] | IT | 02.05.1997 | Documents cited: | Search | [A]JP2116537 ; | [X]GB2126148 (ROLLS ROYCE); | [X]US4136140 (WORRALL ROY); | [X]FR2187847 (MONSANTO CHEMICALS [GB]); | [XD]US3822138 (INADA S, et al); | [AD]GB2207682 (G C DENTAL IND CORP); | [AD]WO9001727 (DESOTO INC [US]); | [AD]WO8901010 (DOW CHEMICAL CO [US]); | [AD]US4075138 (GARNER JOSEPH L) | [A] - WPIL DATABASE, Derwent Publications Ltd., London, GB; AN=90-181313 [24] DW=9024 & JP-A-2116537 (MATSUSHITA ELEC WORKS) 1 May 1990, & JP2116537 A 19900501 |