-
EP0277247
European procedure
Extract from the Register of European Patents
EP About this file: EP0277247
| EP0277247 - SYSTEM FOR GENERATING A SHARED CRYPTOGRAPHIC KEY AND A COMMUNICATION SYSTEM USING THE SHARED CRYPTOGRAPHIC KEY [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.03.1995 Database last updated on 24.08.2024 | Most recent event Tooltip | 09.03.1995 | No opposition filed within time limit | published on 26.04.1995 [1995/17] | Applicant(s) | For all designated states KABUSHIKI KAISYA ADVANCE 5-7, Nihonbashi Kobuna-cho Chuo-ku Tokyo 103 / JP | [N/P] |
| Former [1988/32] | For all designated states KABUSHIKI KAISYA ADVANCE 5-7, Nihonbashi Kobuna-cho Chuo-ku Tokyo 103 / JP | Inventor(s) | 01 /
MATUMOTO, Tutomu Takara kopo 205 2-8-22, Okano Nishi-ku Yokohama-shi Kanagawa 220 / JP | 02 /
IMAI, Hideki J-902, Yokohama park town 3-76-3, Mutukawa Minami-ku Yokohama-shi Kanagawa 232 / JP | [1988/32] | Representative(s) | Adams, William Gordon, et al RAWORTH, MOSS & COOK 36 Sydenham Road Croydon Surrey CR0 2EF / GB | [N/P] |
| Former [1988/32] | Adams, William Gordon, et al RAWORTH, MOSS & COOK 36 Sydenham Road Croydon Surrey CR0 2EF / GB | Application number, filing date | 87904964.1 | 31.07.1987 | [1988/32] | WO1987JP00572 | Priority number, date | JP19860178652 | 31.07.1986 Original published format: JP 17865286 | JP19860251896 | 24.10.1986 Original published format: JP 25189686 | [1988/32] | Filing language | JA | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8801120 | Date: | 11.02.1988 | Language: | EN | [1988/04] | Type: | A1 Application with search report | No.: | EP0277247 | Date: | 10.08.1988 | Language: | EN | The application published by WIPO in one of the EPO official languages on 11.02.1988 takes the place of the publication of the European patent application. | [1988/32] | Type: | B1 Patent specification | No.: | EP0277247 | Date: | 04.05.1994 | Language: | EN | [1994/18] | Search report(s) | International search report - published on: | JP | 11.02.1988 | (Supplementary) European search report - dispatched on: | EP | 10.04.1990 | Classification | IPC: | H04L9/00 | [1994/18] | CPC: |
H04L9/083 (EP,US);
H04L9/0847 (EP,US)
|
| Former IPC [1988/32] | H04L9/02 | Designated contracting states | DE, FR, GB, IT, NL [1988/32] | Title | German: | SYSTEM ZUR ERZEUGUNG EINES GEMEINSAMEN GEHEIMÜBERTRAGUNGSSCHLÜSSELS UND KOMMUNIKATIONSSYSTEM UNTER VERWENDUNG DES GEMEINSAMEN GEHEIMÜBERTRAGUNGSSCHLÜSSELS | [1988/32] | English: | SYSTEM FOR GENERATING A SHARED CRYPTOGRAPHIC KEY AND A COMMUNICATION SYSTEM USING THE SHARED CRYPTOGRAPHIC KEY | [1988/32] | French: | SYSTEME DE GENERATION D'UNE CLE CRYPTOGRAPHIQUE PARTAGEE ET SYSTEME DE COMMUNICATIONS UTILISANT LA CLE CRYPTOGRAPHIQUE PARTAGEE | [1988/32] | Entry into regional phase | 30.03.1988 | Translation filed | 05.04.1988 | National basic fee paid | 05.04.1988 | Search fee paid | 05.04.1988 | Designation fee(s) paid | 25.07.1988 | Examination fee paid | Examination procedure | 25.07.1988 | Examination requested [1988/38] | 01.07.1992 | Despatch of a communication from the examining division (Time limit: M06) | 22.12.1992 | Reply to a communication from the examining division | 16.07.1993 | Despatch of communication of intention to grant (Approval: Yes) | 19.10.1993 | Communication of intention to grant the patent | 02.11.1993 | Fee for grant paid | 02.11.1993 | Fee for publishing/printing paid | Opposition(s) | 07.02.1995 | No opposition filed within time limit [1995/17] | Fees paid | Renewal fee | 19.06.1989 | Renewal fee patent year 03 | 16.06.1990 | Renewal fee patent year 04 | 22.06.1991 | Renewal fee patent year 05 | 23.06.1992 | Renewal fee patent year 06 | 23.07.1993 | Renewal fee patent year 07 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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]JP61166240 | [A] - EASCON'79 RECORD, IEEE ELECTRONICS AND AEROSPACE SYSTEMS CONVENTION, Arlington, (VA), US, 25th-27th September 1978, pages 653-660, IEEE, New York, (NY), US; B.P. SCHANNING: "Data Encryption with Public Key Distribution" | [A] - PATENT ABSTRACTS OF JAPAN, vol. 10, no. 370 (E-463)[2427], 10th December 1986; & JP-A-61 166 240 (26-07-1986), & JP61166240 A 00000000 | International search | [A]JPS58219853 (FUJITSU LTD); | [A]JPH06130827 (SHARP KK) |