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Extract from the Register of European Patents

EP About this file: EP0347367

EP0347367 - Process for producing a vacuum [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  17.02.1994
Database last updated on 14.09.2024
Most recent event   Tooltip17.02.1994No opposition filed within time limitpublished on 06.04.1994 [1994/14]
Applicant(s)For all designated states
HWT GESELLSCHAFT FÜR HYDRID- UND WASSERSTOFFTECHNIK MBH
Wiesenstrasse 36
D-45473 Mülheim / DE
[1989/51]
Inventor(s)01 / Bernauer, Otto, Dr., Dipl.-Phys.
Zillestrasse 20
D-4130 Moers / DE
02 / Keller, Manfred Dr., Dipl.-Ing.
Peter-Esser-Dyk 6
D-4150 Krefeld / DE
03 / Halene, Clemens Dipl.-Ing.
Pigageallee 23
D-4000 Düsseldorf 13 / DE
[1989/51]
Representative(s)Meissner, Peter E., et al
Meissner & Meissner
Patentanwaltsbüro
Postfach 33 01 30
14171 Berlin / DE
[N/P]
Former [1993/09]Meissner, Peter E., Dipl.-Ing., et al
Meissner & Meissner, Patentanwaltsbüro, Postfach 33 01 30
D-14171 Berlin / DE
Former [1989/51]Meissner, Peter E., Dipl.-Ing. Meissner & Meissner Patentanwaltsbüro
Postfach
D-14199 Berlin / DE
Application number, filing date89730135.401.06.1989
[1989/51]
Priority number, dateDE1988382095116.06.1988         Original published format: DE 3820951
[1989/51]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0347367
Date:20.12.1989
Language:DE
[1989/51]
Type: A3 Search report 
No.:EP0347367
Date:27.02.1991
Language:DE
[1991/09]
Type: B1 Patent specification 
No.:EP0347367
Date:14.04.1993
Language:DE
[1993/15]
Search report(s)(Supplementary) European search report - dispatched on:EP07.01.1991
ClassificationIPC:F04B37/02, F16L59/06, C01B3/00
[1989/51]
CPC:
F04B37/02 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT [1989/51]
TitleGerman:Verfahren zur Erzeugung eines Vakuums[1989/51]
English:Process for producing a vacuum[1989/51]
French:Procédé pour créer un vide[1989/51]
Examination procedure06.02.1991Examination requested  [1991/17]
10.06.1992Despatch of communication of intention to grant (Approval: Yes)
19.10.1992Communication of intention to grant the patent
19.01.1993Fee for grant paid
19.01.1993Fee for publishing/printing paid
Opposition(s)15.01.1994No opposition filed within time limit [1994/14]
Fees paidRenewal fee
14.05.1991Renewal fee patent year 03
21.05.1992Renewal 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.
Documents cited:Search[YD]DE1539126  (GEN ELECTRIC);
 [Y]DE3139368  (DAIMLER BENZ AG)
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.