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Extract from the Register of European Patents

EP About this file: EP0724168

EP0724168 - Position measuring device using a phase grating and fabrication method [Right-click to bookmark this link]
Former [1996/31]Phase grating
[2001/43]
StatusNo opposition filed within time limit
Status updated on  21.02.2003
Database last updated on 10.07.2024
Most recent event   Tooltip21.02.2003No opposition filed within time limitpublished on 09.04.2003  [2003/15]
Applicant(s)For all designated states
Dr. Johannes Heidenhain GmbH
Postfach 12 60
83292 Traunreut / DE
[2002/16]
Former [1996/31]For all designated states
Dr. Johannes Heidenhain GmbH
Postfach 12 60
D-83292 Traunreut / DE
Inventor(s)01 / Franz, Andreas, Dr.
Herzog-Ludwig-Strasse 31
D-83308 Trostberg / DE
02 / Huber, Walter
Wartbergfeldstrasse 20
D-83278 Traunstein / DE
[1996/31]
Application number, filing date95119686.414.12.1995
[1996/31]
Priority number, dateDE199510272728.01.1995         Original published format: DE 19502727
[1996/31]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0724168
Date:31.07.1996
Language:DE
[1996/31]
Type: B1 Patent specification 
No.:EP0724168
Date:17.04.2002
Language:DE
[2002/16]
Search report(s)(Supplementary) European search report - dispatched on:EP10.06.1996
ClassificationIPC:G02B5/18, G02B27/44
[1996/31]
CPC:
G02B5/1871 (EP,US)
Designated contracting statesAT,   CH,   DE,   FR,   GB,   IT,   LI [1996/31]
TitleGerman:Positionsmesseinrichtung mit Phasengitter und Herstellungsverfahren[2001/43]
English:Position measuring device using a phase grating and fabrication method[2001/43]
French:Dispositif de mesure de position utilisant un réseau de phase et méthode de fabrication[2001/43]
Former [1996/31]Phasengitter
Former [1996/31]Phase grating
Former [1996/31]Réseau de phase
Examination procedure29.06.1996Examination requested  [1996/35]
16.09.1996Despatch of a communication from the examining division (Time limit: M06)
18.03.1997Reply to a communication from the examining division
26.09.1997Despatch of a communication from the examining division (Time limit: M06)
26.03.1998Reply to a communication from the examining division
11.12.1998Despatch of a communication from the examining division (Time limit: M06)
11.06.1999Reply to a communication from the examining division
25.10.1999Despatch of a communication from the examining division (Time limit: M04)
23.02.2000Reply to a communication from the examining division
24.03.2000Despatch of a communication from the examining division (Time limit: M02)
23.05.2000Reply to a communication from the examining division
28.09.2001Despatch of communication of intention to grant (Approval: Yes)
22.10.2001Communication of intention to grant the patent
02.11.2001Fee for grant paid
02.11.2001Fee for publishing/printing paid
Opposition(s)20.01.2003No opposition filed within time limit [2003/15]
Fees paidRenewal fee
02.01.1998Renewal fee patent year 03
04.01.1999Renewal fee patent year 04
05.01.2000Renewal fee patent year 05
02.01.2001Renewal fee patent year 06
02.01.2002Renewal fee patent year 07
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Documents cited:Search[X]GB2200765  (SHARP KK) [X] 1-3 * page 6, line 22 - page 7, line 20 * * page 9, line 9 - line 11; figures 1A,B *;
 [X]US4828356  (HOBROCK LOWELL M [US], et al) [X] 1-3 * column 3, line 31 - line 51; figure 2 * * column 4, line 61 - line 65 *;
 [A]EP0409188  (HONEYWELL INC [US]) [A] 4 * abstract ** page 3, line 47 - line 51; figure 4 *;
 [X]EP0424110  (KONISHIROKU PHOTO IND [JP]) [X] 1-3 * column 1, line 8 - line 18; figure 2 * * column 3, line 26 - line 33 *;
 [X]EP0478055  (PHILIPS PATENTVERWALTUNG [DE], et al) [X] 1-3 * column 2, line 15 - line 19 * * column 3, line 9 - line 17; figures 2-4 *
ExaminationDE3412958
 EP0390610
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.