Extract from the Register of European Patents

EP About this file: EP0295464

EP0295464 - Rank-order filter [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.02.1995
Database last updated on 07.03.2026
Most recent event   Tooltip07.03.1997Lapse of the patent in a contracting statepublished on 23.04.1997 [1997/17]
Applicant(s)For all designated states
POLAROID CORPORATION
549 Technology Square Cambridge
Massachusetts 02139 / US
[N/P]
Former [1988/51]For all designated states
POLAROID CORPORATION
549 Technology Square
Cambridge, Massachusetts 02139 / US
Inventor(s)01 / Bagdis, Carol
Two Grove Street
Natick, MA 01760 / US
02 / House, Glenn D.
100 Paine Street
Bellingham, MA 02019 / US
03 / Reise, Wanda T.
68 Webb Street
Lexington, MA 02173 / US
[1988/51]
Representative(s)Koch, Günther, et al
Patentanwälte
Wallach, Koch, Dr. Haibach, Feldkamp
Postfach 12 11 20
80035 München / DE
[N/P]
Former [1994/28]Koch, Günther, Dipl.-Ing., et al
Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp, Postfach 12 11 20
D-80035 München / DE
Former [1988/51]Koch, Günther, Dipl.-Ing.
Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp, Postfach 12 11 20
D-80035 München / DE
Application number, filing date88108259.824.05.1988
[1988/51]
Priority number, dateUS1987006171715.06.1987         Original published format: US 61717
[1988/51]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0295464
Date:21.12.1988
Language:EN
[1988/51]
Type: A3 Search report 
No.:EP0295464
Date:07.03.1990
Language:EN
[1990/10]
Type: B1 Patent specification 
No.:EP0295464
Date:20.04.1994
Language:EN
[1994/16]
Search report(s)(Supplementary) European search report - dispatched on:EP18.01.1990
ClassificationIPC:H03H17/02
[1988/51]
CPC:
H03H17/02 (EP,US); H03H17/0263 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL [1988/51]
TitleGerman:Filter n-ten Ranges[1988/51]
English:Rank-order filter[1988/51]
French:Filtre de n-ième rang[1988/51]
Examination procedure21.08.1990Examination requested  [1990/42]
02.09.1993Despatch of communication of intention to grant (Approval: Yes)
18.10.1993Communication of intention to grant the patent
04.01.1994Fee for grant paid
04.01.1994Fee for publishing/printing paid
Opposition(s)21.01.1995No opposition filed within time limit [1995/15]
Fees paidRenewal fee
10.04.1990Renewal fee patent year 03
15.04.1991Renewal fee patent year 04
09.04.1992Renewal fee patent year 05
19.04.1993Renewal fee patent year 06
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Documents cited:Search[A]   IBM TECHNICAL DISCLOSURE BULLETIN, vol. 25, no. 6, November 1982, pages 2887-2889, New York, US; T.C. CHEN et al.: "Pipelined median generation" [A]
 [AD]   COMPUTER GRAPHICS AND IMAGE PROCESSING, vol. 17, no. 1, September 1981, pages 71-78, Academic Press, Inc., New York, US; P.-E. DANIELSSON: "Getting the median faster" [AD]
 [A]   IEEE TRANSACTIONS ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, vol. ASSP-28, no. 4, August 1980, pages 415-421, IEEE, New York, US; E. ATAMAN et al.: "A fast method for real-time median filtering" [A]
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