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EP0842526
European procedure
Extract from the Register of European Patents
EP About this file: EP0842526
| EP0842526 - FIELD ELECTRON EMISSION MATERIALS AND DEVICES [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.01.2001 Database last updated on 19.10.2024 | Most recent event Tooltip | 31.07.2009 | Change - representative | published on 02.09.2009 [2009/36] | Applicant(s) | For all designated states Printable Field Emitters Limited Brougham Enterprise Center, Brougham Terrace Hartlepool TS24 8EY / GB | [1998/21] | Inventor(s) | 01 /
TUCK, Richard Allen 34 Park Lane Slough SL3 7PF / GB | 02 /
LATHAM, Rodney Vaughan 18 Chantry Road Mosely, Birmingham B13 8DH / GB | 03 /
TAYLOR, William 6 Elm Grove Hartlepool, Cleveland TS26 8LZ / GB | [1998/21] | Representative(s) | Stanley, David William Stanleys Intellectual Property Suite LP44050 20-22 Wenlock Road London, N1 7GU / GB | [N/P] |
| Former [2009/36] | Stanley, David William Stanleys Intellectual Property Marlborough House Westminster Place York Business Park Nether Poppleton York YO26 6RW / GB | ||
| Former [1998/21] | Stanley, David William DAVID STANLEY, Intellectual Property, Kings Court, 12 King Street Leeds LS1 2HL / GB | Application number, filing date | 96925901.9 | 02.08.1996 | [1998/21] | WO1996GB01858 | Priority number, date | GB19950015988 | 04.08.1995 Original published format: GB 9515988 | GB19960006816 | 30.03.1996 Original published format: GB 9606816 | [1998/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9706549 | Date: | 20.02.1997 | Language: | EN | [1997/09] | Type: | A1 Application with search report | No.: | EP0842526 | Date: | 20.05.1998 | Language: | EN | The application published by WIPO in one of the EPO official languages on 20.02.1997 takes the place of the publication of the European patent application. | [1998/21] | Type: | B1 Patent specification | No.: | EP0842526 | Date: | 22.03.2000 | Language: | EN | [2000/12] | Search report(s) | International search report - published on: | EP | 20.02.1997 | Classification | IPC: | H01J1/30 | [1998/21] | CPC: |
H01J1/304 (EP,US);
H01J1/30 (KR);
H01J1/3042 (EP,US);
H01J2201/319 (EP,US)
| Designated contracting states | BE, CH, DE, ES, FI, FR, IT, LI, NL, SE [1998/21] | Title | German: | FELDELEKTRONENEMITTERENDE MATERIALEN UND VORRICHTUNGEN | [1998/21] | English: | FIELD ELECTRON EMISSION MATERIALS AND DEVICES | [1998/21] | French: | MATERIAUX ET DISPOSITIFS D'EMISSION ELECTRONIQUE DE CHAMP | [1998/21] | Entry into regional phase | 04.03.1998 | National basic fee paid | 04.03.1998 | Designation fee(s) paid | 04.03.1998 | Examination fee paid | Examination procedure | 28.02.1997 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 04.03.1998 | Examination requested [1998/21] | 03.05.1999 | Despatch of communication of intention to grant (Approval: Yes) | 22.09.1999 | Communication of intention to grant the patent | 05.01.2000 | Fee for grant paid | 05.01.2000 | Fee for publishing/printing paid | Opposition(s) | 23.12.2000 | No opposition filed within time limit [2001/10] | Fees paid | Renewal fee | 31.08.1998 | Renewal fee patent year 03 | 31.08.1999 | Renewal fee patent year 04 |
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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. | Cited in | International search | [PX]EP0709870 (AT & T CORP [US]) [PX] 1,5,8,21 * column 2, line 52 - column 3, line 17 * * column 5, line 31 - line 43 * * figures 5-9 * | [DY] - S BAJIC ET AL., "Enhanced cold-cathode emission using composite resin-carbon coatings", JOURNAL OF PHYSICS D APPLIED PHYSICS., LETCHWORTH GB, (1988), vol. 21, pages 200 - 204, XP002017628 [DY] 1-4,7,21,32,33 * page 202, column R - page 204 * DOI: http://dx.doi.org/10.1088/0022-3727/21/1/028 | [Y] - N S XU ET AL., "Similarities in the 'cold' electron emission characteristics of diamond coated molybdenum electrodes and polished bulk graphite surfaces", JOURNAL OF PHYSICS D APPLIED PHYSICS., LETCHWORTH GB, (1993), vol. 26, pages 1776 - 1780, XP002017629 [Y] 1-4,7,21,32,33 * page 1778 - page 1780 * DOI: http://dx.doi.org/10.1088/0022-3727/26/10/035 | [DA] - XU N S ET AL, "FIELD-DEPENDENCE OF THE AREA-DENSITY OF 'COLD' ELECTRON EMISSION SITES ON BROAD-AREA CVD DIAMOND FILMS", ELECTRONICS LETTERS, (19930902), vol. 29, no. 18, page 1596/1597, XP000395178 [DA] 1 |