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EP0614267
European procedure
Extract from the Register of European Patents
EP About this file: EP0614267
| EP0614267 - Lossless active snubber for half-bridge output rectifiers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.01.1997 Database last updated on 22.08.2024 | Most recent event Tooltip | 24.01.1997 | No opposition filed within time limit | published on 12.03.1997 [1997/11] | Applicant(s) | For all designated states DIGITAL EQUIPMENT CORPORATION 146 Main Street Maynard Massachusetts 01745 / US | [N/P] |
| Former [1994/36] | For all designated states DIGITAL EQUIPMENT CORPORATION 146 Main Street Maynard, Massachusetts 01745 / US | Inventor(s) | 01 /
Tsai, Fu Sheng 105 Bartlett Street Northboro, Massachusetts 01532 / US | 02 /
Dhaval, Dalal B. 70-9 Commons Drive Shrewsbury, Massachusetts 01545 / US | [1994/36] | Representative(s) | Goodman, Christopher, et al Eric Potter Clarkson, Park View House, 58 The Ropewalk Nottingham NG1 5DD / GB | [N/P] |
| Former [1994/36] | Goodman, Christopher, et al Eric Potter & Clarkson St. Mary's Court St. Mary's Gate Nottingham NG1 1LE / GB | Application number, filing date | 94301445.6 | 01.03.1994 | [1994/36] | Priority number, date | US19930027031 | 05.03.1993 Original published format: US 27031 | [1994/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0614267 | Date: | 07.09.1994 | Language: | EN | [1994/36] | Type: | B1 Patent specification | No.: | EP0614267 | Date: | 20.03.1996 | Language: | EN | [1996/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.04.1994 | Classification | IPC: | H02M7/06 | [1994/36] | CPC: |
H02M3/335 (EP,US);
H02M7/062 (EP,US);
H02M1/342 (EP,US);
Y02B70/10 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1994/36] | Title | German: | Verlustlose aktive Entlastungsschaltung für den Ausgang eines Gleichrichters in Halbbrückenanordnung | [1994/36] | English: | Lossless active snubber for half-bridge output rectifiers | [1994/36] | French: | Circuit d'amortissement actif sans perte pour sortie de redresseurs en demi-pont | [1994/36] | Examination procedure | 04.11.1994 | Examination requested [1995/01] | 09.02.1995 | Despatch of a communication from the examining division (Time limit: M04) | 20.02.1995 | Despatch of a communication from the examining division (Time limit: M04) | 11.05.1995 | Reply to a communication from the examining division | 20.06.1995 | Despatch of communication of intention to grant (Approval: Yes) | 14.09.1995 | Communication of intention to grant the patent | 08.12.1995 | Fee for grant paid | 08.12.1995 | Fee for publishing/printing paid | Opposition(s) | 21.12.1996 | No opposition filed within time limit [1997/11] | Fees paid | Renewal fee | 26.02.1996 | Renewal fee patent year 03 |
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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 | [A]EP0443342 (BONNET ANDRE [FR], et al) [A] 1,7 * figure 1A *; | [A]WO8302370 (BECKMAN INSTRUMENTS INC [US]) [A] 1,7 * figure 3 * |