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Extract from the Register of European Patents

EP About this file: EP0509539

EP0509539 - Composite magnetic head [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  11.10.1996
Database last updated on 12.07.2024
Most recent event   Tooltip11.10.1996Application deemed to be withdrawnpublished on 27.11.1996 [1996/48]
Applicant(s)For all designated states
Sony Corporation
7-35, Kitashinagawa 6-chome
Shinagawa-ku
Tokyo / JP
[N/P]
Former [1992/43]For all designated states
SONY CORPORATION
7-35, Kitashinagawa 6-chome Shinagawa-ku
Tokyo / JP
Inventor(s)01 / Watanabe, Makoto, c/o Sony Magnetic Products Inc.
5-6, Kitashinagawa 6-chome
Shinagawa-ku Tokyo / JP
02 / Ogata, Seiichi, c/o Sony Magnetic Products Inc.
5-6, Kitashinagawa 6-chome
Shinagawa-ku Tokyo / JP
03 / Ikeda, Yoshito, c/o Sony Magnetic Products Inc.
5-6, Kitashinagawa 6-chome
Shinagawa-ku Tokyo / JP
04 / Kanno, Kyu, c/o Sony Magnetic Products Inc.
5-6, Kitashinagawa 6-chome
Shinagawa-ku Tokyo / JP
[1992/43]
Representative(s)Melzer, Wolfgang, et al
Mitscherlich PartmbB
Patent- und Rechtsanwälte
Postfach 33 06 09
80066 München / DE
[N/P]
Former [1992/43]Melzer, Wolfgang, Dipl.-Ing., et al
Patentanwälte Mitscherlich & Partner, Postfach 33 06 09
D-80066 München / DE
Application number, filing date92106694.016.04.1992
[1992/43]
Priority number, dateJP1991012303226.04.1991         Original published format: JP 12303291
JP1991012462830.04.1991         Original published format: JP 12462891
JP1991011383119.04.1991         Original published format: JP 11383191
JP1991013164808.05.1991         Original published format: JP 13164891
[1992/43]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0509539
Date:21.10.1992
Language:EN
[1992/43]
Type: A3 Search report 
No.:EP0509539
Date:05.01.1994
Language:EN
[1994/01]
Search report(s)(Supplementary) European search report - dispatched on:EP17.11.1993
ClassificationIPC:G11B5/127, G11B5/11, G11B5/53
[1992/43]
CPC:
G11B5/29 (EP,US); G11B5/115 (EP,US); G11B5/127 (EP,US);
G11B5/1272 (EP,US); G11B5/4893 (EP,US); G11B5/531 (EP,US);
G11B5/534 (EP,US); G11B23/0007 (EP,US); G11B5/0086 (EP,US);
G11B5/09 (EP,US) (-)
Designated contracting statesDE,   FR,   GB [1992/43]
TitleGerman:Zusammengesetzter Magnetkopf[1992/43]
English:Composite magnetic head[1992/43]
French:Tête magnétique composite[1992/43]
MiscellaneousEPB 1996/23: Teilanmeldung 96104172.0 eingereicht am 15/03/96
EPB 1996/23: Divisional application 96104172.0 filed on 15/03/96
EPB 1996/23: Demande divisionnaire 96104172.0 déposée le 15/03/96
Examination procedure08.06.1994Examination requested  [1994/32]
25.10.1995Despatch of a communication from the examining division (Time limit: M06)
07.05.1996Application deemed to be withdrawn, date of legal effect  [1996/48]
03.07.1996Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1996/48]
Divisional application(s)EP96104172.0  / EP0725387
Fees paidRenewal fee
11.04.1994Renewal fee patent year 03
04.04.1995Renewal fee patent year 04
16.04.1996Renewal fee patent year 05
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.
Documents cited:Search[X]JPH1137412  ;
 [X]JPH0218706  ;
 [Y]JPS63127409  ;
 [Y]JPS63311615  ;
 [A]JPS63259809  ;
 [A]JPS59165227  ;
 [A]JPS6486308  ;
 [A]JPS615412  ;
 [A]JPS60211611  ;
 [A]US4928186  (MATSUMOTO TAKASHI [JP], et al) [A] 10 * figure 4 * * column 2, line 63 - column 3, line 28 * * column 4, line 37 - column 5, line 20 * * column 6, line 35 - column 7, line 8 *;
 [A]EP0412261  (PIONEER ELECTRONIC CORP [JP]);
 [A]JPS58182123  ;
 [A]JPS6332702  ;
 [A]JPH01211202
 [X]  - PATENT ABSTRACTS OF JAPAN, (19890829), vol. 13, no. 389, Database accession no. (P - 925)<3737> , & JP11037412 A 19890530 (TDK CORP.) [X] 1,2 * the whole document *
 [X]  - PATENT ABSTRACTS OF JAPAN, (19900329), vol. 14, no. 162, Database accession no. (P - 1029)<4105> , & JP02018706 A 19900123 (SHARP CORP.) [X] 5-7 * the whole document *
 [Y]  - PATENT ABSTRACTS OF JAPAN, (19881013), vol. 12, no. 383, Database accession no. (P - 770), & JP63127409 A 19880531 (MITSUBISHI ELECTRIC CORP.) [Y] 5-7 * the whole document *
 [Y]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 89, no. 05, Database accession no. 89-036978, & JPS63311615 A 19881220 (HITACHI KK) [Y] 5-7 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19890221), vol. 13, no. 75, Database accession no. (P - 831)<3423> , & JP63259809 A 19881026 (VICTOR CO. OF JAPAN LTD.) [A] 1-4 * the whole document *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19850126), vol. 9, no. 20, Database accession no. (P - 330)<1743> , & JP59165227 A 19840918 (TOKYO DENKI K.K.) [A] 5,6 * the whole document *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19890718), vol. 13, no. 316, Database accession no. (P - 900)<3664> , & JP01086308 A 19890331 (SANYO ELECTRIC CO. LTD.) [A] 5 * the whole document *
 [A]  - W.S. LATHAM, "A Full-Track, Stereophonic, Magnetic Record-Reproduce Head", JOURNAL OF THE AUDIO ENGINEERING SOCIETY, NEW YORK US, (196007), vol. 8, no. 3, pages 165 - 169 [A] 5 * page 167, column R, line 9 - line 22 * * page 167; figure 3 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19860603), vol. 10, no. 152, Database accession no. (P - 462)<2208> , & JP61005412 A 19860111 (HITACHI SEISAKUSHO K.K.) [A] 10 * the whole document *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19860325), vol. 10, no. 74, Database accession no. (P - 439)<2131> , & JP60211611 A 19851024 (HITACHI SEISAKUSHO K.K.) [A] 10 * the whole document *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19840204), vol. 8, no. 27, Database accession no. (P - 252)<1464> , & JP58182123 A 19831025 (HITACHI SEISAKUSHO K.K.)
 [A]  - PATENT ABSTRACTS OF JAPAN, (19880708), vol. 12, no. 240, Database accession no. (P - 727), & JP63032702 A 19880212 (FUJI PHOTO FILM CO. LTD.)
 [A]  - PATENT ABSTRACTS OF JAPAN, (19891121), vol. 13, no. 520, Database accession no. (P - 963), & JP01211202 A 19890824 (VICTOR CO. OF JAPAN LTD.)
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.