EP0393410 - Aircraft with a pair of contra-rotating propellers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.03.1995 Database last updated on 13.07.2024 | Most recent event Tooltip | 11.12.1999 | Lapse of the patent in a contracting state New state(s): GR | published on 26.01.2000 [2000/04] | Applicant(s) | For all designated states Sky Disc Holding SA c/o Norasia Shipping Services SA, Beauregard 10 CH-1700 Fribourg / CH | [N/P] |
Former [1991/33] | For all designated states Sky Disc Holding SA c/o Norasia Shipping Services SA, Beauregard 10 CH-1700 Fribourg / CH | ||
Former [1990/43] | For all designated states Bucher, Franz Rebgasse 17 CH-4058 Basel / CH | Inventor(s) | 01 /
Bucher, Franz Rebgasse 17 CH-4058 Basel / CH | [1994/21] |
Former [1990/43] | 01 /
see applicant ... | Representative(s) | Blum, Rudolf Emil, et al E. BLUM & Co. AG Patent- und Markenanwälte VSP Vorderberg 11 8044 Zürich / CH | [N/P] |
Former [1990/43] | Blum, Rudolf Emil Ernst, et al c/o E. Blum & Co Patentanwälte Vorderberg 11 CH-8044 Zürich / CH | Application number, filing date | 90106212.5 | 31.03.1990 | [1990/43] | Priority number, date | CH19890001492 | 19.04.1989 Original published format: CH 149289 | [1990/43] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0393410 | Date: | 24.10.1990 | Language: | DE | [1990/43] | Type: | A3 Search report | No.: | EP0393410 | Date: | 03.07.1991 | Language: | DE | [1991/27] | Type: | B1 Patent specification | No.: | EP0393410 | Date: | 25.05.1994 | Language: | DE | [1994/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.05.1991 | Classification | IPC: | B64C27/20, B64C27/10 | [1991/32] | CPC: |
B64C39/001 (EP,US);
B64C27/20 (EP,US);
B64C29/0025 (EP,US)
|
Former IPC [1990/43] | B64C27/10 | Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/43] | Title | German: | Fluggerät mit einem gegensinnig drehenden Rotorpaar | [1990/43] | English: | Aircraft with a pair of contra-rotating propellers | [1990/43] | French: | Appareil aérospatial avec deux hélices tournant en sens inverse | [1990/43] | Examination procedure | 02.01.1992 | Examination requested [1992/10] | 19.02.1993 | Despatch of a communication from the examining division (Time limit: M04) | 02.04.1993 | Reply to a communication from the examining division | 17.05.1993 | Despatch of communication of intention to grant (Approval: Yes) | 23.08.1993 | Communication of intention to grant the patent | 28.10.1993 | Fee for grant paid | 28.10.1993 | Fee for publishing/printing paid | Opposition(s) | 28.02.1995 | No opposition filed within time limit [1995/20] | Fees paid | Renewal fee | 11.03.1992 | Renewal fee patent year 03 | 11.03.1993 | Renewal fee patent year 04 | 10.03.1994 | Renewal fee patent year 05 |
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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 | BE | 25.05.1994 | DK | 25.05.1994 | GR | 25.05.1994 | [2000/04] |
Former [1998/15] | BE | 25.05.1994 | |
DK | 25.05.1994 | ||
Former [1995/11] | BE | 25.05.1994 | Documents cited: | Search | [AD]US2461435 (NEUMANN CHARLES A, et al); | [AD]US2777649 (WILLIAMS SAMUEL B); | [A]AT304273B (PICHLER HUBERT); | [AD]AU474805B ; | [A]AT357045B (STEINKELLNER RUDOLF); | [P]CH672465 (BUCHER FRANZ) |