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Extract from the Register of European Patents

EP About this file: EP0205103

EP0205103 - Rotor assembly of roots pump [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.07.1994
Database last updated on 03.04.2025
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Toyota Jidosha Kabushiki Kaisha
1, Toyota-cho
Toyota-shi, Aichi-ken, 471-8571 / JP
[N/P]
Former [1986/51]For all designated states
TOYOTA JIDOSHA KABUSHIKI KAISHA
1, Toyota-cho Toyota-shi
Aichi-ken 471 / JP
Inventor(s)01 / Sibata, Takuo
Toyota Jidosha K.K. 1, Toyota-cho
Toyota-shi Aichi-ken / JP
02 / Shirai, Hisao
Toyota Jidosha K.K. 1, Toyota-cho
Toyota-shi Aichi-ken / JP
03 / Kuroiwa, Yosio
Toyota Jidosha K.K. 1, Toyota-cho
Toyota-shi Aichi-ken / JP
04 / Harada, Katsuro
Toyota Jidosha K.K. 1, Toyota-cho
Toyota-shi Aichi-ken / JP
05 / Kato, Kichiro
Toyota Jidosha K.K. 1, Toyota-cho
Toyota-shi Aichi-ken / JP
06 / Masuda, Naofumi
Toyota Jidosha K.K. 1, Toyota-cho
Toyota-shi Aichi-ken / JP
[1986/51]
Representative(s)Grams, Klaus Dieter, et al
Patentanwaltsbüro
Tiedtke-Bühling-Kinne & Partner
Bavariaring 4-6
80336 München / DE
[N/P]
Former [1994/08]Grams, Klaus Dieter, Dipl.-Ing., et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Former [1993/38]Grams, Klaus Dieter, Dipl.-Ing.
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Former [1986/51]Grams, Klaus Dieter, Dipl.-Ing.
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Application number, filing date86107641.205.06.1986
[1986/51]
Priority number, dateJP19850086454U07.06.1985         Original published format: JP 8645485 U
[1986/51]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0205103
Date:17.12.1986
Language:EN
[1986/51]
Type: A3 Search report 
No.:EP0205103
Date:16.09.1987
Language:EN
[1987/38]
Type: B1 Patent specification 
No.:EP0205103
Date:22.09.1993
Language:EN
[1993/38]
Search report(s)(Supplementary) European search report - dispatched on:EP28.07.1987
ClassificationIPC:F04C18/18
[1986/51]
CPC:
F01C21/08 (EP,US); F04C15/0076 (EP,US); F04C2/084 (EP,US);
Y10T403/4966 (EP,US); Y10T403/7035 (EP,US); Y10T403/7088 (EP,US)
Designated contracting statesDE,   FR,   GB [1986/51]
TitleGerman:Rotorzusammenbau für Roots-Pumpe[1986/51]
English:Rotor assembly of roots pump[1986/51]
French:Assemblage de rotor de pompe de type Roots[1986/51]
Examination procedure14.10.1987Examination requested  [1987/51]
05.05.1988Despatch of a communication from the examining division (Time limit: M09)
30.01.1989Reply to a communication from the examining division
28.03.1989Despatch of a communication from the examining division (Time limit: M04)
07.08.1989Reply to a communication from the examining division
26.01.1990Date of oral proceedings
08.03.1990Minutes of oral proceedings despatched
12.03.1990Despatch of communication that the application is refused, reason: substantive examination {1}
29.10.1992Despatch of communication of intention to grant (Approval: Yes)
05.11.1992Communication of intention to grant the patent
05.02.1993Fee for grant paid
05.02.1993Fee for publishing/printing paid
Appeal following examination09.05.1990Appeal received No.  T0559/90
22.06.1990Statement of grounds filed
02.07.1992Invitation to file observations in an appeal (Time limit: M02) [1992/27]
04.09.1992Date of receipt of observations in an appeal [1992/36]
02.10.1992Result of appeal procedure: remittal for grant
Opposition(s)23.06.1994No opposition filed within time limit [1994/37]
Fees paidRenewal fee
20.06.1988Renewal fee patent year 03
21.06.1989Renewal fee patent year 04
25.06.1990Renewal fee patent year 05
26.06.1991Renewal fee patent year 06
26.06.1992Renewal fee patent year 07
25.06.1993Renewal fee patent year 08
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Documents cited:Search[Y]EP0135257  (EATON CORP [US]);
 [Y]US3275225  (SCHULTZ FORREST O E)
 [A]  - PATENT ABSTRACTS OF JAPAN, unexamined applications, field M, vol. 8, no. 166, August 2, 1984 THE PATENT OFFICE JAPANESE GOVERNMENT page 13 M 315; JP-A-59 063 390 ( TOYOTA )
 [A]  - A.EHRHARDT UND H. FRANKE "Lueger, Lexikon der technik", Band 1, "Grundlagen des Maschinenbaues" Deutsche Verlagsanstalt-Stuttgart, 1960,Pages 617-618
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.