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EP0750332
European procedure
Extract from the Register of European Patents
EP About this file: EP0750332
| EP0750332 - Procedure for controlling the emission current of an electron source and electron source with emission current control [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.07.2002 Database last updated on 02.11.2024 | Most recent event Tooltip | 26.07.2002 | No opposition filed within time limit | published on 11.09.2002 [2002/37] | Applicant(s) | For all designated states Carl Zeiss 89518 Heidenheim (Brenz) / DE | [2001/38] |
| Former [1996/52] | For all designated states Carl Zeiss D-89518 Heidenheim (Brenz) / DE | Inventor(s) | 01 /
Härle, Rainer Haldestrasse 14 89522 Heidenheim / DE | [1996/52] | Application number, filing date | 96108482.9 | 28.05.1996 | [1996/52] | Priority number, date | DE1995122221 | 20.06.1995 Original published format: DE 19522221 | [1996/52] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0750332 | Date: | 27.12.1996 | Language: | DE | [1996/52] | Type: | A3 Search report | No.: | EP0750332 | Date: | 15.04.1998 | [1998/16] | Type: | B1 Patent specification | No.: | EP0750332 | Date: | 19.09.2001 | Language: | DE | [2001/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.02.1998 | Classification | IPC: | H01J37/24 | [1996/52] | CPC: |
H01J37/243 (EP,US)
| Designated contracting states | DE, NL [1996/52] | Title | German: | Verfahren zur Regelung des Emissionsstromes einer Elektronenquelle und Elektronenquelle mit einer Regelung des Emissionsstromes | [1996/52] | English: | Procedure for controlling the emission current of an electron source and electron source with emission current control | [1996/52] | French: | Procédé de régulation du courant d'émission d'une source d'électrons et source d'électrons avec régulation du courant d'émission | [1996/52] | Examination procedure | 14.08.1998 | Examination requested [1998/42] | 07.05.1999 | Despatch of a communication from the examining division (Time limit: M04) | 09.09.1999 | Reply to a communication from the examining division | 24.11.2000 | Despatch of communication of intention to grant (Approval: Yes) | 12.03.2001 | Communication of intention to grant the patent | 23.05.2001 | Fee for grant paid | 23.05.2001 | Fee for publishing/printing paid | Opposition(s) | 20.06.2002 | No opposition filed within time limit [2002/37] | Fees paid | Renewal fee | 22.04.1998 | Renewal fee patent year 03 | 21.04.1999 | Renewal fee patent year 04 | 10.04.2000 | Renewal fee patent year 05 | 19.04.2001 | 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. | Documents cited: | Search | [X]JPS5940449 ; | [X]JPS5940450 ; | [X]CH653835 (RAZIN GENNADY I, et al) [X] 1-3,6,8 * page 3, column 2, line 40 - line 50 * * figure 1 *; | [A]GB2081941 (ROLLS ROYCE) [A] 1,2 * page 1, line 30 - line 75 * * figure 1 * | [X] - MARK K. DEBE AND D.C. JOHNSON, "Simple dc technique for precise electron beam current regulation", REVIEW OF SCIENTIFIC INSTRUMENTS., NEW YORK US, (197601), vol. 47, no. 1, pages 37 - 38, XP002055526 [X] 1,3,4,8 * the whole document * DOI: http://dx.doi.org/10.1063/1.1134486 | [X] - PATENT ABSTRACTS OF JAPAN, (19840614), vol. 008, no. 127, Database accession no. (E - 250), & JP59040449 A 19840306 (MITSUBISHI DENKI KK) [X] 1-3,6-8 * abstract * | [X] - PATENT ABSTRACTS OF JAPAN, (19840614), vol. 008, no. 127, Database accession no. (E - 250), & JP59040450 A 19840306 (MITSUBISHI DENKI KK) [X] 1-3,6-8 * abstract * | by applicant | US5185559 | JPH0240450 | US5357172 | - AUS REVIEW OF SCIENTIFIC INSTRUMENTS, (1976), vol. 47, no. 1, page 37 |