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Extract from the Register of European Patents

EP About this file: EP0423313

EP0423313 - STERILIZABLE NON-LUBRICATED ROTARY DENTAL AND MEDICAL INSTRUMENT [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  02.03.2002
Database last updated on 20.12.2024
Most recent event   Tooltip30.11.2007Lapse of the patent in a contracting state
Updated state(s): FR		published on 02.01.2008  [2008/01]
Applicant(s)For all designated states
DEN-TAL-EZ, INC.
Valley Forge Corporate Center, 2661 Audubon Road Audubon
Pennsylvania 19407 / US
[N/P]
Former [1991/17]For all designated states
DEN-TAL-EZ, INC.
Valley Forge Corporate Center, 2661 Audubon Road
Audubon, Pennsylvania 19407 / US
Inventor(s)01 / GONSER, Donald, I.
806 Lightfoot Drive
Lancaster, PA 17602 / US
[1991/17]
Representative(s)Newby, Martin John, et al
Bromhead Johnson, Kingsbourne House, 229-231 High Holborn
London WC1V 7DP / GB
[N/P]
Former [1991/17]Newby, Martin John, et al
J.Y. & G.W. Johnson Furnival House 14-18 High Holborn
London WC1V 6DE / GB
Application number, filing date90907633.330.04.1990
[1991/17]
WO1990US02330
Priority number, dateUS1989034872208.05.1989         Original published format: US 348722
[1991/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9014049
Date:29.11.1990
Language:EN
[1990/27]
Type: A1 Application with search report 
No.:EP0423313
Date:24.04.1991
Language:EN
The application published by WIPO in one of the EPO official languages on 29.11.1990 takes the place of the publication of the European patent application.
[1991/17]
Type: B1 Patent specification 
No.:EP0423313
Date:28.06.1995
Language:EN
[1995/26]
Search report(s)International search report - published on:US29.11.1990
(Supplementary) European search report - dispatched on:EP15.04.1991
ClassificationIPC:A61C1/05
[1991/17]
CPC:
F16C33/32 (EP,US); A61C1/181 (EP,US); F16C33/303 (EP,US);
F16C19/06 (EP,US); F16C19/54 (EP,US); F16C2206/60 (EP);
F16C2240/70 (EP,US); F16C2316/13 (EP,US); F16C27/066 (EP,US);
Y10S415/904 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1991/17]
TitleGerman:STERILISIERBARES, NICHT GESCHMIERTES, ZAHNÄRZTLICHES UND MEDIZINISCHES ROTATIONSINSTRUMENT[1991/17]
English:STERILIZABLE NON-LUBRICATED ROTARY DENTAL AND MEDICAL INSTRUMENT[1991/17]
French:INSTRUMENT ROTATIF STERILISABLE ET NON LUBRIFIE A USAGE DENTAIRE ET MEDICAL[1991/17]
Entry into regional phase10.12.1990National basic fee paid 
10.12.1990Search fee paid 
10.12.1990Designation fee(s) paid 
10.12.1990Examination fee paid 
Examination procedure10.12.1990Examination requested  [1991/17]
17.09.1992Despatch of a communication from the examining division (Time limit: M04)
07.11.1992Reply to a communication from the examining division
08.12.1992Despatch of a communication from the examining division (Time limit: M06)
02.06.1993Reply to a communication from the examining division
05.11.1993Despatch of a communication from the examining division (Time limit: M02)
06.11.1993Reply to a communication from the examining division
01.06.1994Date of oral proceedings
24.06.1994Despatch of communication of intention to grant (Approval: Yes)
24.06.1994Minutes of oral proceedings despatched
25.10.1994Communication of intention to grant the patent
23.01.1995Fee for grant paid
23.01.1995Fee for publishing/printing paid
Opposition(s)Opponent(s)01  28.03.1996  06.05.1996  ADMISSIBLE
Kaltenbach & Voigt GmbH & Co.
Bismarckring 39
D- 88400 Biberach/Riss / DE
Opponent's representative
Schmidt-Evers, Jürgen
Mitscherlich PartmbB
Patent- und Rechtsanwälte
Sonnenstrasse 33
80331 München / DE
 [N/P]
Former [1996/21]
Opponent(s)01  28.03.1996  06.05.1996  ADMISSIBLE
Kaltenbach & Voigt GmbH & Co.
Bismarckring 39
D- 88400 Biberach/Riss / DE
Opponent's representative
Schmidt-Evers, Jürgen
Mitscherlich & Partner Patent- und Rechtsanwälte Sonnenstrasse 33
80331 München / DE
09.05.1996No. 01: Notification indicating deficiencies in the notice of opposition
10.05.1996No. 01: Reply to notification indicating deficiencies in the notice of opposition
26.08.1996Invitation to proprietor to file observations on the notice of opposition
02.05.1997Reply of patent proprietor to notice(s) of opposition
29.01.1998Date of oral proceedings
16.07.1998Despatch of interlocutory decision in opposition
16.07.1998Despatch of minutes of oral proceedings
13.12.2001Despatch of communication that the patent will be revoked
23.12.2001Legal effect of revocation of patent [2002/16]
Appeal following opposition16.09.1998Appeal received No.  T0934/98
16.11.1998Statement of grounds filed
13.12.2001Result of appeal procedure: revocation of the patent
13.12.2001Date of oral proceedings
27.12.2001Minutes of the oral proceedings despatched
Fees paidRenewal fee
16.03.1992Renewal fee patent year 03
23.03.1993Renewal fee patent year 04
18.03.1994Renewal fee patent year 05
13.04.1995Renewal fee patent year 06
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipBE28.06.1995
DK28.06.1995
FR28.06.1995
IT28.06.1995
NL28.06.1995
SE28.09.1995
ES29.09.1995
LU30.04.1996
[2006/14]
Former [2004/38]BE28.06.1995
DK28.06.1995
IT28.06.1995
NL28.06.1995
SE28.09.1995
ES29.09.1995
FR24.11.1995
LU30.04.1996
Former [2003/07]BE28.06.1995
DK28.06.1995
IT28.06.1995
NL28.06.1995
SE28.09.1995
FR24.11.1995
LU30.04.1996
Former [2000/06]BE28.06.1995
DK28.06.1995
IT28.06.1995
SE28.09.1995
FR24.11.1995
LU30.04.1996
Former [1999/42]BE28.06.1995
DK28.06.1995
IT28.06.1995
SE28.09.1995
FR24.11.1995
Former [1998/15]BE28.06.1995
DK28.06.1995
SE28.09.1995
FR24.11.1995
Former [1996/18]BE28.06.1995
SE28.09.1995
FR24.11.1995
Former [1996/04]BE28.06.1995
SE28.09.1995
Documents cited:Search[Y]US4249896  (KERFOOT FRANK W JR [US]);
 [Y]EP0303758  (KOYO SEIKO CO [JP], et al)
International search[A]US1332176  (KALMAN HEINDLHOFER);
 [A]US2158156  (HEINRICH SCHRODER);
 [A]US2534929  (SCHULTZ MORTIMER A, et al);
 [A]US3071861  (SAFFIR JACOB A);
 [A]US3097897  (TAYLOR KENNETH M);
 [A]US3469318  (SAFFIR JACOB A);
 [A]US4153993  (KATAOKA KENZO [JP], et al);
 [X]US4249896  (KERFOOT FRANK W JR [US]);
 [A]US4770549  (ROKKAKU KAZUO [JP], et al)
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.