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EP0324493
European procedure
Extract from the Register of European Patents
EP About this file: EP0324493
| EP0324493 - Optical waveguide devices, elements for making the devices and methods of making the devices and elements [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.09.1997 Database last updated on 22.04.2025 | Most recent event Tooltip | 28.12.2002 | Lapse of the patent in a contracting state New state(s): NL | published on 12.02.2003 [2003/07] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1989/29] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
Booth, Bruce Lee Warpath Road R. D. 4 West Chester Pennsylvania 19382 / US | 02 /
Marchegiano, Joseph Emidio 12 Woodcrest Way Fox Chase Landenberg Pennsylvania 19350 / US | [1996/46] |
| Former [1989/29] | 01 /
Booth, Bruce Lee Warpath Road R. D. 4 Whest Chester Pennsylvania 19382 / US | ||
| 02 /
Marchegiano, Joseph Emidio 12 Woodcrest Way Fox Chase Landenberg Pennsylvania 19350 / US | Representative(s) | Abitz, Walter, et al Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [1994/08] | Abitz, Walter, Dr.-Ing., et al Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | ||
| Former [1989/29] | Abitz, Walter, Dr.-Ing. Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | Application number, filing date | 89100520.9 | 13.01.1989 | [1989/29] | Priority number, date | US19880144003 | 15.01.1988 Original published format: US 144003 | [1989/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0324493 | Date: | 19.07.1989 | Language: | EN | [1989/29] | Type: | A3 Search report | No.: | EP0324493 | Date: | 27.11.1991 | Language: | EN | [1991/48] | Type: | B1 Patent specification | No.: | EP0324493 | Date: | 13.11.1996 | Language: | EN | [1996/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.10.1991 | Classification | IPC: | G03F7/00, G02B6/00 | [1989/29] | CPC: |
G02B6/34 (EP);
G02B6/00 (KR);
G02B6/124 (EP);
G02B6/138 (EP);
G02B6/2804 (EP);
G02B6/2821 (EP);
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1989/29] | Title | German: | Optische Wellenleiter, Elemente für die Herstellung dieser Vorrichtungen und Herstellungsverfahren für diese Elemente und Vorrichtungen | [1989/29] | English: | Optical waveguide devices, elements for making the devices and methods of making the devices and elements | [1989/29] | French: | Guide pour ondes optiques, éléments pour la fabrication de ces dispositifs et méthode pour la fabrication de ces dispositifs et éléments | [1989/29] | Examination procedure | 27.12.1990 | Examination requested [1991/09] | 05.01.1995 | Despatch of a communication from the examining division (Time limit: M06) | 13.07.1995 | Reply to a communication from the examining division | 12.04.1996 | Despatch of communication of intention to grant (Approval: Yes) | 17.05.1996 | Communication of intention to grant the patent | 24.07.1996 | Fee for grant paid | 24.07.1996 | Fee for publishing/printing paid | Opposition(s) | 14.08.1997 | No opposition filed within time limit [1997/45] | Fees paid | Renewal fee | 20.12.1990 | Renewal fee patent year 03 | 27.01.1992 | Renewal fee patent year 04 | 27.01.1993 | Renewal fee patent year 05 | 26.01.1994 | Renewal fee patent year 06 | 27.01.1995 | Renewal fee patent year 07 | 26.01.1996 | Renewal fee patent year 08 |
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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 | 13.11.1996 | BE | 13.11.1996 | CH | 13.11.1996 | LI | 13.11.1996 | NL | 13.11.1996 | [2003/07] |
| Former [2000/52] | AT | 13.11.1996 | |
| BE | 13.11.1996 | ||
| CH | 13.11.1996 | ||
| LI | 13.11.1996 | ||
| Former [2000/50] | AT | 13.11.1996 | |
| BE | 13.11.1996 | ||
| CH | 18.02.1997 | ||
| LI | 18.02.1997 | ||
| Former [1997/39] | AT | 13.11.1996 | |
| BE | 13.11.1996 | ||
| Former [1997/28] | AT | 13.11.1996 | Documents cited: | Search | [A]LU65581 ; | [AD]US3809732 (CHANDROSS E, et al); | [A]DE2553924 (YEDA RES & DEV); | [X]GB2191603 (NORTHERN TELECOM LTD) |