-
EP0023970
European procedure
Extract from the Register of European Patents
EP About this file: EP0023970
| EP0023970 - Air flow meter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.09.1987 Database last updated on 31.08.2024 | Most recent event Tooltip | 15.08.2008 | Change - representative | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1981/07] | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Nishimura, Yutaka Yorii-Apartment 348 391-2, Tabiko Katsuta Ibaraki / JP | 02 /
Kuroiwa, Hiroshi 1-15-3, Moriyama Hitachi Ibaraki / JP | 03 /
Kirisawa, Tadashi 161, Ishinazaka Hitachi Ibaraki / JP | 04 /
Oyama, Yoshishige 3-24-18, Higashioshima Katsuta Ibaraki / JP | [1981/07] | Representative(s) | Beetz & Partner mbB Patentanwälte Prinzregentenstraße 54 80538 München / DE | [N/P] |
| Former [2008/38] | Beetz & Partner Patentanwälte Steinsdorfstrasse 10 80538 München / DE | ||
| Former [1981/32] | Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr Steinsdorfstrasse 10 D-80538 München / DE | ||
| Former [1981/07] | Beetz, sen., Richard, Dipl.-Ing. Patentanwälte Dipl.-Ing. R. Beetz sen. Dipl.-Ing. K. Lamprecht, Dr.Ing. R. Beetz jr. Rechtsanwalt Dipl.-Phys. Dr. jur. U. Heidrich, Dr.-Ing. W. Timpe Dipl.-Ing. J. Siegfried Priv.-Doz. Dipl.-Chem. Dr.rer.nat. W. Schmitt-Fumian Steinsdorfstrasse 10 D-8000 München 22 / DE | Application number, filing date | 80103789.6 | 03.07.1980 | [1981/07] | Priority number, date | JP19790094725 | 24.07.1979 Original published format: JP 9472579 | [1981/07] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0023970 | Date: | 18.02.1981 | Language: | EN | [1981/07] | Type: | A3 Search report | No.: | EP0023970 | Date: | 20.04.1983 | Language: | EN | [1983/16] | Type: | B1 Patent specification | No.: | EP0023970 | Date: | 20.11.1986 | Language: | EN | [1986/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.02.1983 | Classification | IPC: | G01F1/68, G01P5/12 | [1981/07] | CPC: |
G01F1/684 (EP,US);
G01F1/6842 (EP,US);
G01F1/698 (EP,US);
G01F5/00 (EP,US)
| Designated contracting states | DE, FR, GB [1981/07] | Title | German: | Luftmengenmesser | [1986/47] | English: | Air flow meter | [1981/07] | French: | Dispositif de mesure du débit d'air | [1986/47] |
| Former [1981/07] | Anemometer | ||
| Former [1981/07] | Anémomètre | Examination procedure | 18.05.1983 | Examination requested [1983/31] | 25.06.1984 | Despatch of a communication from the examining division (Time limit: M08) | 28.02.1985 | Reply to a communication from the examining division | 02.08.1985 | Despatch of a communication from the examining division (Time limit: M04) | 05.12.1985 | Reply to a communication from the examining division | 07.02.1986 | Despatch of communication of intention to grant (Approval: ) | 23.05.1986 | Communication of intention to grant the patent | 28.05.1986 | Fee for grant paid | 28.05.1986 | Fee for publishing/printing paid | Opposition(s) | 21.08.1987 | No opposition filed within time limit [1987/46] | Fees paid | Renewal fee | 09.07.1982 | Renewal fee patent year 03 | 14.07.1983 | Renewal fee patent year 04 | 31.07.1984 | Renewal fee patent year 05 | 25.07.1985 | Renewal fee patent year 06 | 22.07.1986 | 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 | [P]DE2914275 (HITACHI LTD); | [A]US3975951 (KOHAMA TOKIO, et al) |