EP0692863 - AC to DC boost switching power conversion [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.03.2005 Database last updated on 03.09.2024 | Most recent event Tooltip | 17.02.2006 | Lapse of the patent in a contracting state New state(s): FR | published on 05.04.2006 [2006/14] | Applicant(s) | For all designated states VLT CORPORATION 9901 I.H.S. 10 West, 8th Floor San Antonio Texas 78230 / US | [N/P] |
Former [1996/03] | For all designated states VLT CORPORATION 9901 I.H.S. 10 West, 8th Floor San Antonio, Texas 78230 / US | Inventor(s) | 01 /
Vinciarelli, Patrizio 294 Beacon Street Boston, Massachusetts 02114 / US | 02 /
Prager, Jay 80 Norris Road Tyngsboro, Massachusetts 01879 / US | [1996/03] | Representative(s) | Hitchcock, Esmond Antony, et al Marks & Clerk LLP 90 Long Acre London WC2E 9RA / GB | [N/P] |
Former [2003/46] | Hitchcock, Esmond Antony, et al Lloyd Wise Commonwealth House, 1-19 New Oxford Street London WC1A 1LW / GB | ||
Former [2000/10] | Deans, Michael John Percy, et al Patent Attorney, 147/B St. Andrews Road Coulsdon, Surrey CR5 3HL / GB | ||
Former [1996/03] | Deans, Michael John Percy, et al Lloyd Wise, Tregear & CO. Norman House 105-109 Strand London WC2R OAE / GB | Application number, filing date | 95304870.9 | 12.07.1995 | [1996/03] | Priority number, date | US19940274991 | 13.07.1994 Original published format: US 274991 | [1996/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0692863 | Date: | 17.01.1996 | Language: | EN | [1996/03] | Type: | A3 Search report | No.: | EP0692863 | Date: | 21.05.1997 | [1997/21] | Type: | B1 Patent specification | No.: | EP0692863 | Date: | 19.05.2004 | Language: | EN | [2004/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.04.1997 | Classification | IPC: | H02M3/158, H02M7/217 | [1996/03] | CPC: |
H02M3/158 (EP,US);
H02M7/217 (EP,US);
H02J1/102 (EP,US)
| Designated contracting states | DE, FR, GB [1996/03] | Title | German: | Spannungserhöhende Wechselstrom-Gleichstrom Schalleistungswandlung | [1996/03] | English: | AC to DC boost switching power conversion | [1996/03] | French: | Conversion de puissance à commutation élévatrice de courant alternatif vers courant continu | [1996/03] | Examination procedure | 27.06.1997 | Examination requested [1997/35] | 17.11.1999 | Despatch of a communication from the examining division (Time limit: M06) | 23.05.2000 | Reply to a communication from the examining division | 23.02.2001 | Despatch of a communication from the examining division (Time limit: M06) | 27.08.2001 | Reply to a communication from the examining division | 25.04.2002 | Despatch of a communication from the examining division (Time limit: M06) | 29.10.2002 | Reply to a communication from the examining division | 28.04.2003 | Communication of intention to grant the patent | 22.10.2003 | Fee for grant paid | 22.10.2003 | Fee for publishing/printing paid | Opposition(s) | 22.02.2005 | No opposition filed within time limit [2005/19] | Fees paid | Renewal fee | 23.06.1997 | Renewal fee patent year 03 | 29.06.1998 | Renewal fee patent year 04 | 23.06.1999 | Renewal fee patent year 05 | 21.06.2000 | Renewal fee patent year 06 | 25.07.2001 | Renewal fee patent year 07 | 22.07.2002 | Renewal fee patent year 08 | 23.07.2003 | Renewal fee patent year 09 |
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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 | FR | 19.05.2004 | DE | 20.08.2004 | [2006/14] |
Former [2005/30] | DE | 20.08.2004 | Documents cited: | Search | [XY]EP0590372 (SIEMENS NIXDORF INF SYST [DE]) [X] 1,5-7,10,16,17,19,31,33,34,37,55 * column 2, line 48 - column 3, line 14 * * column 3, line 43 - column 4, line 12; figure 2 * [Y] 2-4,8,9,11,12,15,23,26-30,32,35,36,38-54; | [XY]US4831508 (HUNTER PATRICK L [US]) [X] 1,5,6,10,16-19,31,33,37,55 * column 1, line 61 - column 2, line 12; figure 1 * [Y] 20; | [YD]US5321348 (VINCIARELLI PATRIZIO [US], et al) [YD] 2-4,8,9,11,12,15,20,27-30,32,35,36,38,39 * abstract * * figure 9 * [Y] 23,26,40-54; | [A]US5278489 (BOWERS MARK C [US]) [A] 23,40 * figure 1 * | by applicant | US4138715 | US4720667 | US4720668 | US4841220 | US5321348 | US4648020 | - LIU ET AL., "Resonant Switches - A unified Approach to Improve Performance of Switching Regulators", Proceedings IEEE International Telecommunications Energy Conference, (1984), pages 344 - 351 | - ENJETI ET AL., "A Two Quadrant High Power Quality Rectifier", PCIM '90 USA: Official Proceedings of the 21st International Power Conversion Conference, pages 86 - 91 | US19910805474 |