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Extract from the Register of European Patents

EP About this file: EP0649083

EP0649083 - A microcontrol unit for a superpipelined, superscalar microprocessor [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.05.2001
Database last updated on 03.09.2024
Most recent event   Tooltip28.12.2007Lapse of the patent in a contracting state
New state(s): IT
published on 30.01.2008  [2008/05]
Applicant(s)For all designated states
NATIONAL SEMICONDUCTOR CORPORATION
2900 Semiconductor Drive, M.S. 16-135 Santa Clara
California 95052 / US
[N/P]
Former [2000/40]For all designated states
NATIONAL SEMICONDUCTOR CORPORATION
2900 Semiconductor Drive, M.S. 16-135
Santa Clara, California 95052 / US
Former [2000/25]For all designated states
NATIONAL SEMICONDUCTOR CORPORATION
2703 North Central Expressway
Richardson, Texas / US
Former [2000/10]For all designated states
National Semiconductor Corporation
2900 Semiconductor Drive, M/S D3-579
Santa Clara, CA 95052 / US
Former [1995/16]For all designated states
CYRIX CORPORATION
2703 N. Central Expressway
Richardson, Texas 75080 / US
Inventor(s)01 / Bluhm, Mark
4545 Staten Island
Plano, Texas 75082 / US
02 / Hervin, Mark W.
17601 Preston Road, no.156
Dallas, Texas 75252 / US
03 / McMahan, Steven C.
3311 Wyndemere Drive
Richardson, Texas 75082 / US
04 / Garibay, Raul A. Jr.
6818 Charlmont Circle
Dallas Texas 75248 / US
05 / Eitrheim, John K.
3700 Preston Road, no.1127
Plano, Texas 75093 / US
06 / McMahon, Ronald S.
3700 Preston Road, no.1614
Plano, Texas 75093 / US
[1995/18]
Former [1995/16]01 / Bluhm, Mark
4545 Staten Island
Plano, Texas 75082 / US
02 / Hervin, Mark W.
17601 Preston Road, no.156
Dallas, Texas 75252 / US
03 / McMahan, Steven C.
3311 Wyndemere Drive
Richardson, Texas 75082 / US
04 / Garibay, Raul A. Jr.
333 Melrose no. 3B
Richardson, Texas 75080 / US
05 / Eitrheim, John K.
3700 Preston Road, no.1127
Plano, Texas 75093 / US
06 / McMahon, Ronald S.
3700 Preston Road, no.1614
Plano, Texas 75093 / US
Representative(s)Harris, Ian Richard, et al
D Young & Co LLP
120 Holborn
London EC1N 2DY / GB
[N/P]
Former [1995/16]Harris, Ian Richard, et al
c/o D. Young & Co., 21 New Fetter Lane
London EC4A 1DA / GB
Application number, filing date94307581.217.10.1994
[1995/16]
Priority number, dateUS1993013885518.10.1993         Original published format: US 138855
US1993013832018.10.1993         Original published format: US 138320
US1993013866018.10.1993         Original published format: US 138660
[1995/16]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0649083
Date:19.04.1995
Language:EN
[1995/16]
Type: A3 Search report 
No.:EP0649083
Date:10.05.1995
Language:EN
[1995/19]
Type: B1 Patent specification 
No.:EP0649083
Date:19.07.2000
Language:EN
[2000/29]
Search report(s)(Supplementary) European search report - dispatched on:EP23.03.1995
ClassificationIPC:G06F9/38, G06F9/26, G11C7/00
[1995/18]
CPC:
G06F9/30167 (EP,US); G06F9/261 (EP,US); G06F9/265 (EP,US);
G06F9/28 (EP,US); G06F9/30145 (EP,US)
Former IPC [1995/16]G06F9/38, G06F9/28, G06F9/26
Designated contracting statesCH,   DE,   ES,   FR,   GB,   IE,   IT,   LI,   NL [1995/16]
TitleGerman:Mikrosteuereinheit für einen superpipeline-superskalaren Mikroprozessor[1999/32]
English:A microcontrol unit for a superpipelined, superscalar microprocessor[1995/16]
French:Microcontrôleur pour microprocesseur superpipeline et superscalaire[1995/16]
Former [1995/16]Mikrokontrolleinheit für Superpipeline-superskalaren Mikroprozessor
Examination procedure04.10.1995Examination requested  [1995/48]
09.04.1998Despatch of a communication from the examining division (Time limit: M06)
08.10.1998Reply to a communication from the examining division
29.06.1999Despatch of communication of intention to grant (Approval: Yes)
28.12.1999Communication of intention to grant the patent
01.03.2000Fee for grant paid
01.03.2000Fee for publishing/printing paid
Opposition(s)20.04.2001No opposition filed within time limit [2001/27]
Fees paidRenewal fee
14.10.1996Renewal fee patent year 03
13.10.1997Renewal fee patent year 04
08.10.1998Renewal fee patent year 05
15.10.1999Renewal fee patent year 06
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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  TooltipCH19.07.2000
ES19.07.2000
FR19.07.2000
IT19.07.2000
LI19.07.2000
[2008/05]
Former [2006/14]CH19.07.2000
ES19.07.2000
FR19.07.2000
LI19.07.2000
Former [2002/26]CH19.07.2000
ES19.07.2000
LI19.07.2000
FR15.12.2000
Former [2002/02]CH19.07.2000
LI19.07.2000
FR15.12.2000
Former [2001/24]FR15.12.2000
Documents cited:Search[A]GB2112973  (DATA GENERAL CORP) [A] 1-3,5 * pages 28-29, sections A. and B. *;
 [A]US4430706  (SAND DUANE B [US]) [A] 11,13* the whole document *;
 [A]EP0199134  (IBM [US]) [A] 9,10 * the whole document *;
 [A]EP0223150  (HITACHI LTD [JP]) [A] 1,2,5 * the whole document *;
 [Y]EP0279953  (TEXAS INSTRUMENTS INC [US]) [Y] 1,2,5,6 * the whole document *;
 [X]EP0338564  (FUJITSU LTD [JP]) [X] 11,12 * the whole document *;
 [A]EP0372190  (COMMODORE BUSINESS MACH [US]) [A] 1,2,5 * the whole document *;
 [A]GB2230116  (INTEL CORP [US]) [A] 1,2,5 * the whole document *;
 [Y]US4984151  (DUJARI VINEET [US]) [Y] 13 * column 4, line 41 - column 5, line 19 ; column 7, lines 41-65 *;
 [X]EP0500151  (NEC CORP [JP]) [X] 11-13 * the whole document *;
 [Y]  - JELEMENSKY ET AL., "The MC68332 microcontroller", IEEE MICRO, NEW YORK US, (198908), vol. 9, no. 4, pages 31 - 50 [Y] 1,2,5,6 * page 38, left column, line 24 - right column, line 39 *
 [A]  - CHAPPELL ET AL., "A 2-ns cycle, 3.8-ns access 512-kb CMOS ECL SRAM with a fully pipelined architecture", IEEE JOURNAL OF SOLID-STATE CIRCUITS, NEW YORK US, (199111), vol. 26, no. 11, doi:doi:10.1109/4.98975, pages 1577 - 1585, XP000266666 [A] 9,10 * sections IV, V; figure 2 *

DOI:   http://dx.doi.org/10.1109/4.98975
 [A]  - SCHMITT-LANDSIEDEL ET AL., "Pipeline architecture for fast CMOS buffer RAM's", IEEE JOURNAL OF SOLID-STATE CIRCUITS, NEW YORK US, (199006), vol. 25, no. 3, doi:doi:10.1109/4.102669, pages 741 - 746, XP000140206 [A] 9,10 * page 742, section III; figure 3 *

DOI:   http://dx.doi.org/10.1109/4.102669
 [XY]  - CATTHOOR ET AL., "Architectural strategies for an application-specific synchronous multiprocessor environment", IEEE ACOUSTICS, SPEECH, AND SIGNAL PROCESSING MAGAZINE, NEW YORK US, (198802), vol. 36, no. 2, doi:doi:10.1109/29.1518, pages 265 - 283, XP000098757 [X] 11 * section IVa ; figures 13-15 * [Y] 13

DOI:   http://dx.doi.org/10.1109/29.1518
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