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EP0845819
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EP About this file: EP0845819
| EP0845819 - Yttrium aluminum oxide coatings for active semiconductor optical devices [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 30.08.2002 Database last updated on 31.08.2024 | Most recent event Tooltip | 30.08.2002 | Application deemed to be withdrawn | published on 16.10.2002 [2002/42] | Applicant(s) | For all designated states Agere Systems Optoelectronics Guardian Corporation 9333 South John Young Parkway Orlando Florida 32819-8698 / US | [N/P] |
| Former [2001/30] | For all designated states Agere Systems Optoelectronics Guardian Corporation 9333 South John Young Parkway Orlando, Florida 32819-8698 / US | ||
| Former [1998/23] | For all designated states LUCENT TECHNOLOGIES INC. 600 Mountain Avenue Murray Hill, New Jersey 07974-0636 / US | Inventor(s) | 01 /
Chakrabarti, Utpal Kumar 5523 Kurt Drive Allentown, Pennsylvania 18104 / US | 02 /
Wang, Kou-Wei 1213 Highland Drive Orefield, Pennsylvania 18069 / US | 03 /
Dautremont-Smith, William Crossley 1432 Valley View Circle Orefield, Pennsylvania 18069 / US | 04 /
Wilt, Daniel Paul 1118 Deer Run Orefield, Pennsylvania 18069 / US | [1998/23] | Representative(s) | Perkins, Sarah, et al Stevens Hewlett & Perkins 1 St Augustine's Place Bristol BS1 4UD / GB | [N/P] |
| Former [2001/17] | Perkins, Sarah, et al Stevens, Hewlett & Perkins Halton House 20/23 Holborn London EC1N 2JD / GB | ||
| Former [1998/23] | Johnston, Kenneth Graham, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex, IG8 OTU / GB | Application number, filing date | 97309506.0 | 25.11.1997 | [1998/23] | Priority number, date | US19960757183 | 27.11.1996 Original published format: US 757183 | [1998/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0845819 | Date: | 03.06.1998 | Language: | EN | [1998/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1998 | Classification | IPC: | H01L33/00, H01L31/0216, H01S3/025, G02B1/10 | [1998/23] | CPC: |
H01S5/0282 (EP,US);
G02B1/10 (EP,US);
H01L31/02165 (EP);
H01L33/44 (EP);
H01S5/028 (EP,US);
H01S5/0287 (EP)
| Designated contracting states | DE, FR, GB [1999/08] |
| Former [1998/23] | AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Yttrium-Aluminium-Oxid-Beschichtung für aktive optische Halbleiterbauelemente | [1998/23] | English: | Yttrium aluminum oxide coatings for active semiconductor optical devices | [1998/23] | French: | Revêtements en oxyde d'aluminium/yttrium pour composants optiques actifs | [1998/23] | Examination procedure | 26.11.1998 | Examination requested [1999/04] | 04.12.2001 | Despatch of a communication from the examining division (Time limit: M04) | 16.04.2002 | Application deemed to be withdrawn, date of legal effect [2002/42] | 17.05.2002 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2002/42] | Fees paid | Renewal fee | 16.11.1999 | Renewal fee patent year 03 | 20.09.2000 | Renewal fee patent year 04 | 08.10.2001 | 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. | Documents cited: | Search | [X]US4809293 (DEBELL GARY W ET AL) [X] 1,2,7 * claim - *; | [A]EP0168165 (BRITISH TELECOMM) [A] 1-8 * the whole document *; | [AD]US4749255 (CHAKRABARTI UTPAL K ET AL) [AD] 1-8 * the whole document *; | [A]JPS58135200 ; | [A] - PATENT ABSTRACTS OF JAPAN, (19831104), vol. 007, no. 248, Database accession no. (C - 193), & JP58135200 A 19830811 (KAGAKU GIJIYUTSUCHIYOU MUKIZAISHITSU KENKYUSHO) [A] 1,3 * abstract * | [A] - PAWEWICZ W T ET AL, "HIGH BAND GAP OXIDE OPTICAL COATINGS FOR 0.25 AND 1.06 MUM FUSION LASERS", THIN SOLID FILMS, (19801103), vol. 73, no. 1, pages 169 - 175, XP000647424 [A] 1,3 * page 172, paragraph 3.2 * DOI: http://dx.doi.org/10.1016/0040-6090(80)90345-4 |