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Extract from the Register of European Patents

EP About this file: EP0159464

EP0159464 - Molecular vacuum pump [Right-click to bookmark this link]
Former [1985/44]Device for discharging gases at subatmospheric pressures
[1988/01]
StatusNo opposition filed within time limit
Status updated on  03.11.1988
Database last updated on 22.08.2024
Most recent event   Tooltip03.11.1988No opposition filed within time limitpublished on 21.12.1988 [1988/51]
Applicant(s)For all designated states
LEYBOLD AKTIENGESELLSCHAFT
Wilhelm-Rohn-Strasse 25
63450 Hanau / DE
[N/P]
Former [1988/01]For all designated states
LEYBOLD AKTIENGESELLSCHAFT
Wilhelm-Rohn-Strasse 25
D-63450 Hanau / DE
Former [1985/44]For all designated states
Leybold-Heraeus GmbH
Bonner Strasse 498 Postfach 51 07 60
D-5000 Köln 51 / DE
Inventor(s)01 / Deters, Ludger, Dr.
Am Heidstamm 36
D-5000 Köln 40 / DE
02 / Engländer, Heinrich
Hauptstrasse 66
D-5172 Linnich 2 / DE
03 / Kabelitz, Hans-Peter, Dr.
Siebengebirgsallee 5a
D-5000 Köln 90 / DE
04 / Schütz, Günter
Luisenstrasse 2a
D-5000 Köln 21 / DE
[1985/44]
Representative(s)Leineweber, Jürgen
Patentanwalt
Siebachstrasse 47
50733 Köln / DE
[N/P]
Former [1985/44]Leineweber, Jürgen
Nagelschmiedshütte 8
D-5000 Köln 40 / DE
Application number, filing date85100567.821.01.1985
[1985/44]
Priority number, dateDE1984341090524.03.1984         Original published format: DE 3410905
[1985/44]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0159464
Date:30.10.1985
Language:DE
[1985/44]
Type: B1 Patent specification 
No.:EP0159464
Date:07.01.1988
Language:DE
[1988/01]
Search report(s)(Supplementary) European search report - dispatched on:EP26.08.1985
ClassificationIPC:F04D29/58, F04D19/04
[1985/44]
CPC:
F04D29/5853 (EP,US); F04D19/04 (EP,US); F16J15/406 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   LI [1985/44]
TitleGerman:Molekularvakuumpumpe[1988/01]
English:Molecular vacuum pump[1988/01]
French:Pompe à vide moléculaire[1988/01]
Former [1985/44]Einrichtung zur Förderung von Gasen bei subatmosphärischen Drücken
Former [1985/44]Device for discharging gases at subatmospheric pressures
Former [1985/44]Dispositif pour le refoulement de gaz sous pressions sous-atmosphériques
File destroyed:12.06.1999
Examination procedure05.04.1986Examination requested  [1986/23]
11.09.1986Despatch of a communication from the examining division (Time limit: M04)
16.01.1987Reply to a communication from the examining division
16.06.1987Despatch of communication of intention to grant (Approval: )
03.07.1987Communication of intention to grant the patent
15.07.1987Fee for publishing/printing paid
16.07.1987Fee for grant paid
Opposition(s)08.10.1988No opposition filed within time limit [1988/51]
Fees paidRenewal fee
19.12.1986Renewal fee patent year 03
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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[A]JP57212395  ;
 [A]BE447093  ;
 [A]NL275089  ;
 [A]US1586160  (FRANCOIS MAURON, et al);
 [A]FR1208950  (DEGUSSA);
 [A]US3150822  (PAUL DREYFUS GASPARD, et al);
 [A]FR2105902  (FRANKLIN ELECTRIC CO INC);
 [A]US3700247  (BUTLER ROBERT G, et al);
 [Y]US3963247  (NOMMENSEN JOHAN P);
 [YD]DE3001134  (CIT ALCATEL);
 [A]EP0086460  (CIT ALCATEL [FR])
 [A]  - KONSTRUKTION, Band 31, Nr. 12, 1979, Seiten 483-492, Springer-Verlag, Berlin, DE; K. HEITEL: "Berechnung und Konstruktion von Gewinde-Wellendichtungen im laminaren Bereich"
 [A]  - PATENTS ABSTRACTS OF JAPAN, Band 7, Nr. 71 (M-202)[1216], 24. März 1983; & JP - A - 57 212 395 (HITACHI SEISAKUSHO K.K.) 27.12.1982, & JP57212395 A 00000000
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.