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Extract from the Register of European Patents

EP About this file: EP0697068

EP0697068 - FRICTION VACUUM PUMP WITH BEARING SUPPORT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.01.1999
Database last updated on 16.11.2024
Most recent event   Tooltip08.01.1999No opposition filed within time limitpublished on 24.02.1999 [1999/08]
Applicant(s)For all designated states
Balzers und Leybold Deutschland Holding Aktiengesellschaft
Wilhelm-Rohn-Strasse 25
63450 Hanau / DE
[1996/42]
Former [1996/08]For all designated states
LEYBOLD AKTIENGESELLSCHAFT
Wilhelm-Rohn-Strasse 25, Postfach 1555
D-63450 Hanau / DE
Inventor(s)01 / ENGLÄNDER, Heinrich
Im Krähwinkel 4
D-52441 Linnich / DE
[1996/08]
Representative(s)Leineweber, Jürgen
Patentanwalt
Siebachstrasse 47
50733 Köln / DE
[N/P]
Former [1996/08]Leineweber, Jürgen, Dipl.-Phys.
Aggerstrasse 24
D-50859 Köln / DE
Application number, filing date94910416.014.03.1994
[1996/08]
WO1994EP00785
Priority number, dateDE1993431441903.05.1993         Original published format: DE 4314419
[1996/08]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9425759
Date:10.11.1994
[1994/25]
Type: A1 Application with search report 
No.:EP0697068
Date:21.02.1996
[1996/08]
Type: B1 Patent specification 
No.:EP0697068
Date:25.02.1998
Language:DE
[1998/09]
Search report(s)International search report - published on:EP10.11.1994
ClassificationIPC:F04D19/04, F04D29/04
[1996/08]
CPC:
F04D29/056 (EP,US); F04D19/04 (EP,US); F04D25/0613 (EP);
F04D29/668 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1996/08]
TitleGerman:REIBUNGSVAKUUMPUMPE MIT LAGERABSTÜTZUNG[1996/08]
English:FRICTION VACUUM PUMP WITH BEARING SUPPORT[1996/08]
French:POMPE A VIDE A FRICTION MUNIE D'UN SUPPORT DE PALIER[1996/08]
Entry into regional phase30.09.1995National basic fee paid 
30.09.1995Designation fee(s) paid 
30.09.1995Examination fee paid 
Examination procedure12.11.1994Request for preliminary examination filed
International Preliminary Examining Authority: EP
30.09.1995Examination requested  [1996/08]
21.05.1996Despatch of a communication from the examining division (Time limit: M06)
15.01.1997Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
12.03.1997Reply to a communication from the examining division
01.08.1997Despatch of communication of intention to grant (Approval: Yes)
14.08.1997Communication of intention to grant the patent
30.09.1997Fee for grant paid
30.09.1997Fee for publishing/printing paid
Opposition(s)26.11.1998No opposition filed within time limit [1999/08]
Request for further processing for:12.03.1997Request for further processing filed
12.03.1997Full payment received (date of receipt of payment)
Request granted
15.04.1997Decision despatched
Fees paidRenewal fee
14.02.1996Renewal fee patent year 03
13.02.1997Renewal fee patent year 04
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Cited inInternational search[A]FR2086525  (COMMISSARIAT ENERGIE ATOMIQUE, et al) [A] 1,2* page 4, line 8 - line 21; figures 1,3 *;
 [XY]FR2534980  (PFEIFFER VAKUUMTECHNIK [DE]) [X] 1,2,4 * the whole document * [Y] 3,8,11,12;
 [Y]DE3531942  (JAPAN ATOMIC ENERGY RES INST [JP], et al) [Y] 12 * page 6, line 23 - line 28; figure 1 *;
 [Y]DE8910040U  (LEYBOLD) [Y] 3 * the whole document *;
 [Y]EP0408791  (LEYBOLD AG [DE]) [Y] 8 * figure 3 *;
 [Y]  - MASE, "development of a new type of oil-free turbo vacuum pump", JOURNAL OF VACUUM SCIENCE & TECHNOLOGY, WOODBURY, (198807), no. 4, pages 2518 - 2521, XP000049635 [Y] 11

DOI:   http://dx.doi.org/10.1116/1.575539
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