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Extract from the Register of European Patents

EP About this file: EP0458557

EP0458557 - Procedure for qualifying synthetic base gear lubricant [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.06.1996
Database last updated on 22.08.2024
Most recent event   Tooltip14.06.1996No opposition filed within time limitpublished on 31.07.1996 [1996/31]
Applicant(s)For all designated states
EATON CORPORATION
Eaton Center Cleveland
Ohio 44114 / US
[N/P]
Former [1991/48]For all designated states
EATON CORPORATION
Eaton Center
Cleveland, Ohio 44114 / US
Inventor(s)01 / Muyskens, Dale Edward
16071 S. 33rd Street
Vicksburg, MI 49097 / US
02 / Newkirk, James Edward
34670 32nd Street
Paw Paw, MI 49079 / US
[1995/32]
Former [1991/48]01 / Muyskens, Dale Edward
16071 S. 33rd Street
Vicksburg, Michigan 49097 / US
02 / Newkirk, James Edward
34670 32nd Street
Paw Paw, Michigan 49079 / US
Representative(s)West, Alan Harry, et al
R.G.C. Jenkins & Co 26 Caxton Street
London SW1H 0RJ / GB
[N/P]
Former [1991/48]West, Alan Harry, et al
R.G.C. Jenkins & Co. 26 Caxton Street
London SW1H 0RJ / GB
Application number, filing date91304509.220.05.1991
[1991/48]
Priority number, dateUS1990052682322.05.1990         Original published format: US 526823
[1991/48]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0458557
Date:27.11.1991
Language:EN
[1991/48]
Type: B1 Patent specification 
No.:EP0458557
Date:09.08.1995
Language:EN
[1995/32]
Search report(s)(Supplementary) European search report - dispatched on:EP30.08.1991
ClassificationIPC:G01N33/30
[1991/48]
CPC:
F16H57/041 (EP,US); G01N33/30 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT,   SE [1991/48]
TitleGerman:Verfahren zur Qualifizierung eines synthetischen Getriebeschmiermittels[1991/48]
English:Procedure for qualifying synthetic base gear lubricant[1991/48]
French:Procédé pour juger la qualité d'un lubrifiant pour engrenages synthétiques[1991/48]
Examination procedure27.03.1992Examination requested  [1992/22]
13.09.1993Despatch of a communication from the examining division (Time limit: M06)
01.02.1994Reply to a communication from the examining division
12.07.1994Despatch of communication of intention to grant (Approval: Yes)
08.11.1994Communication of intention to grant the patent
27.01.1995Fee for grant paid
27.01.1995Fee for publishing/printing paid
Opposition(s)10.05.1996No opposition filed within time limit [1996/31]
Fees paidRenewal fee
14.04.1993Renewal fee patent year 03
02.05.1994Renewal fee patent year 04
11.05.1995Renewal fee patent year 05
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Documents cited:Search[A]GB1450685  (INT RESEARCH & DEV CO LTD);
 [A]FR557248  ;
 [A]DE716497  (VACUUM OEL AG DEUTSCHE);
 [A]GB764183  (SHELL RES LTD)
 [A]  - REVUE DE L'INSTITUT FRANCAIS DU PETROLE. vol. 40, no. 6, December 31, 1985, PARIS FR pages 831 - 842; J. AYEL: 'Severisation de l'essai de capacite de charge des lubrifiants sur machine a engrenages FZG '
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.