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EP0030636
European procedure
Extract from the Register of European Patents
EP About this file: EP0030636
| EP0030636 - Screw compressor-expander cryogenic system with magnetic coupling [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.01.1985 Database last updated on 10.07.2024 | Most recent event Tooltip | 04.04.1985 | Lapse of the patent in a contracting state New state(s): NL | published on 05.06.1985 [1985/23] | Applicant(s) | For all designated states Hughes Aircraft Company 7200 Hughes Terrace, P.O. Box 80028 Los Angeles California 90080-0028 / US | [N/P] |
| Former [1981/25] | For all designated states Hughes Aircraft Company 7200 Hughes Terrace, P.O. Box 80028 Los Angeles, California 90080-0028 / US | Inventor(s) | 01 /
Leo, Bruno S. 2442 Beverly Avenue Santa Monica California 90405 / US | [1981/25] | Representative(s) | Schwindling, Hans, et al Kohler-Schwindling-Späth Patentanwälte Hohentwielstrasse 41 D-7000 Stuttgart 1 / DE | [N/P] |
| Former [1981/25] | Schwindling, Hans, Dipl.-Phys., et al Kohler-Schwindling-Späth Patentanwälte Hohentwielstrasse 41 D-7000 Stuttgart 1 / DE | Application number, filing date | 80107184.6 | 19.11.1980 | [1981/25] | Priority number, date | US19790102220 | 10.12.1979 Original published format: US 102220 | [1981/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0030636 | Date: | 24.06.1981 | Language: | EN | [1981/25] | Type: | A3 Search report | No.: | EP0030636 | Date: | 12.08.1981 | Language: | EN | [1981/32] | Type: | B1 Patent specification | No.: | EP0030636 | Date: | 21.03.1984 | Language: | EN | [1984/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.06.1981 | Classification | IPC: | F25B1/04, F25B9/00, F04C29/00, F04C23/00, H02K49/10 | [1981/25] | CPC: |
H02K49/108 (EP,US);
F04C23/003 (EP,US);
F04C27/009 (EP,US);
F04C29/0064 (EP,US);
F25B1/047 (EP,US);
F25B9/06 (EP,US);
| Designated contracting states | CH, DE, FR, GB, IT, LI, NL, SE [1981/25] | Title | German: | Kältekreislauf mit einem mit magnetischer Kupplung versehenen Schraubenverdichter-Entspanner | [1981/25] | English: | Screw compressor-expander cryogenic system with magnetic coupling | [1981/25] | French: | Système cryogénique à compresseur et détendeur à vis, muni d'un accouplement magnétique | [1981/25] | Examination procedure | 01.02.1982 | Examination requested [1982/15] | 04.08.1982 | Despatch of a communication from the examining division (Time limit: M04) | 05.11.1982 | Reply to a communication from the examining division | 10.12.1982 | Despatch of a communication from the examining division (Time limit: M04) | 29.03.1983 | Reply to a communication from the examining division | 24.06.1983 | Despatch of communication of intention to grant (Approval: ) | 01.09.1983 | Communication of intention to grant the patent | 27.10.1983 | Fee for grant paid | 27.10.1983 | Fee for publishing/printing paid | Opposition(s) | 22.12.1984 | No opposition filed within time limit [1985/14] | Fees paid | Renewal fee | 14.10.1982 | Renewal fee patent year 03 | 17.10.1983 | 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. | Lapses during opposition Tooltip | CH | 21.03.1984 | LI | 21.03.1984 | NL | 21.03.1984 | SE | 21.03.1984 | [1985/23] |
| Former [1984/33] | CH | 21.03.1984 | |
| LI | 21.03.1984 | ||
| SE | 21.03.1984 | ||
| Former [1984/32] | CH | 21.03.1984 | |
| LI | 21.03.1984 | Documents cited: | Search | GB1552385 [ ] (MAEKAWA SEISAKUSHO KK) | Examination | DE352579 | CH313859 | US2937503 | US3221984 | US3299655 | CH469235 | GB1348914 | US4115040 | EP0004609 | GB2021327 |