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EP0597720
European procedure
Extract from the Register of European Patents
EP About this file: EP0597720
| EP0597720 - TDM/TDMA telecommunications method [Right-click to bookmark this link] | |||
| Former [1994/20] | TDM/TDMA telecommunications systems | ||
| [1998/38] | Status | The patent has been granted Status updated on 01.04.1999 Database last updated on 12.07.2024 | Most recent event Tooltip | 24.03.2000 | No opposition filed within time limit | published on 10.05.2000 [2000/19] | Applicant(s) | For all designated states Nortel Networks Corporation World Trade Center of Montreal 380 St. Antoine Street West 8th Floor Montreal Quebec H2Y 3Y4 / CA | [N/P] |
| Former [1999/28] | For all designated states NORTEL NETWORKS CORPORATION World Trade Center of Montreal 380 St. Antoine Street West 8th Floor Montreal, Quebec H2Y 3Y4 / CA | ||
| Former [1999/20] | For all designated states NORTHERN TELECOM LIMITED World Trade Center of Montreal, 380 St. Antoine Street West, 8th Floor Montreal, Quebec H2Y 3Y4 / CA | ||
| Former [1994/20] | For all designated states NORTHERN TELECOM LIMITED World Trade Center of Montreal, 380 St. Antoine Street West 8th Floor Montreal, Quebec H2Y 3Y4 / CA | Inventor(s) | 01 /
Fisher, David Anthony 71 Little Walden Road Saffron Walden, Essex CB10 2DL / GB | 02 /
Welton, Paul Douglas 64 The Maltings Great Dunmow, Essex CM6 1BY / GB | 03 /
Ginsburg, Benjamin 14 St Peters Close Newbury Park, Ilford, Essex 1G2 7QL / GB | [1994/20] | Representative(s) | Ryan, John Peter William, et al Nortel Networks Intellectual Property Law Group Londond Road Harlow Essex CM17 9NA / GB | [N/P] |
| Former [1995/08] | Ryan, John Peter William, et al Nortel Limited Patents and Licensing West Road Harlow, Essex CM20 2SH / GB | ||
| Former [1995/01] | Ryan, John Peter William Nortel Limited Patents and Licensing West Road Harlow Essex CM20 2SH / GB | ||
| Former [1994/20] | Ryan, John Peter William Northern Telecom Europe Limited Patents and Licensing West Road Harlow, Essex CM20 2SH / GB | Application number, filing date | 93309045.8 | 11.11.1993 | [1994/20] | Priority number, date | GB19920023740 | 12.11.1992 Original published format: GB 9223740 | GB19930012911 | 22.06.1993 Original published format: GB 9312911 | [1994/20] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0597720 | Date: | 18.05.1994 | Language: | EN | [1994/20] | Type: | A3 Search report | No.: | EP0597720 | Date: | 19.10.1994 | Language: | EN | [1994/42] | Type: | B1 Patent specification | No.: | EP0597720 | Date: | 19.05.1999 | Language: | EN | [1999/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.08.1994 | Classification | IPC: | H04J3/06, H04L7/06, H04L7/04 | [1994/42] | CPC: |
H04J7/00 (EP,US);
H04B10/272 (EP,US);
H04J3/0682 (EP,US);
H04L7/043 (EP,US)
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| Former IPC [1994/20] | H04L7/02, H04L7/04 | Designated contracting states | DE, FR, SE [1994/20] | Title | German: | TDM/TDMA-Übertragungsverfahren | [1998/38] | English: | TDM/TDMA telecommunications method | [1998/38] | French: | Méthode de transmissionm TDM/TDMA | [1998/38] |
| Former [1994/20] | TDM/TDMA-Übertragungssysteme | ||
| Former [1994/20] | TDM/TDMA telecommunications systems | ||
| Former [1994/20] | Systèmes de transmissionm TDM/TDMA | Examination procedure | 25.10.1994 | Examination requested [1994/52] | 09.06.1997 | Despatch of a communication from the examining division (Time limit: M06) | 15.12.1997 | Reply to a communication from the examining division | 27.10.1998 | Despatch of communication of intention to grant (Approval: Yes) | 25.11.1998 | Communication of intention to grant the patent | 12.12.1998 | Fee for grant paid | 12.12.1998 | Fee for publishing/printing paid | Opposition(s) | 22.02.2000 | No opposition filed within time limit [2000/19] | Fees paid | Renewal fee | 26.09.1995 | Renewal fee patent year 03 | 04.10.1996 | Renewal fee patent year 04 | 20.10.1997 | Renewal fee patent year 05 | 27.10.1998 | 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]EP0190771 (NEC CORP [JP]) [X] 1-8 * page 19, line 6 - page 20, line 22 * * page 21, line 11 - page 22, line 12; figures 3,5 *; | [A]WO9108623 (BRITISH TELECOMM [GB]) [A] 1-3 * page 5, paragraph 4 - page 6, paragraph 2 * * page 7, paragraph 2; figures 1,3 *; | [A]DE2653968 (LICENTIA GMBH) [A] 4,5 * page 4, line 1 - page 6, line 25 *; | [A]US3953674 (FLETCHER JAMES C ADMINISTRATOR, et al) [A] 7 * column 6, line 26 - line 41; figure 1 *; | [E]GB2272609 (NORTHERN TELECOM LTD [CA]) [E] 1,2 * claims 1,2 * | [A] - C.R. CARTER, "Survey of Synchronization Techniques for a TDMA Satellite-Switched System", IEEE TRANSACTIONS ON COMMUNICATIONS, NEW YORK US, (198008), vol. 28, no. 8, pages 1291 - 1302 [A] 1,2,6,8 * page 1295, column R, line 20 - line 34; figure 7A * |