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Extract from the Register of European Patents

EP About this file: EP0676483

EP0676483 - High strain rate deformation of nickel-base superalloy compact [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.03.2000
Database last updated on 31.08.2024
Most recent event   Tooltip03.03.2000No opposition filed within time limitpublished on 19.04.2000 [2000/16]
Applicant(s)For all designated states
SPECIAL METALS CORPORATION
4317 Middle Settlement Road New Hartford
New York 13413 / US
[N/P]
Former [1995/41]For all designated states
SPECIAL METALS CORPORATION
4317 Middle Settlement Road
New Hartford, New York 13413 / US
Inventor(s)01 / Castledine, B. Wayne
20577 Hidden Lakes Drive
Gregory, Michigan 48137 / US
[1995/41]
Representative(s)Coxon, Philip
Eric Potter & Clarkson, Park View House, 58 The Ropewalk
Nottingham NG1 5DD / GB
[N/P]
Former [1995/41]Coxon, Philip
Eric Potter & Clarkson St. Mary's Court St. Mary's Gate
Nottingham NG1 1LE / GB
Application number, filing date95301065.920.02.1995
[1995/41]
Priority number, dateUS1994022356106.04.1994         Original published format: US 223561
[1995/41]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0676483
Date:11.10.1995
Language:EN
[1995/41]
Type: B1 Patent specification 
No.:EP0676483
Date:28.04.1999
Language:EN
[1999/17]
Search report(s)(Supplementary) European search report - dispatched on:EP11.08.1995
ClassificationIPC:C22F1/10, C22C1/04, C22C19/05, B22F5/04, B22F3/15
[1995/41]
CPC:
B22F9/082 (EP,US); B22F3/1208 (EP,US); B22F3/16 (EP,US);
C22F1/10 (EP,US); B22F2201/10 (EP,US); B22F2201/20 (EP,US)
Designated contracting statesDE,   FR,   GB [1995/41]
TitleGerman:Pressling aus Superlegierung auf Ni-Basis und deren Verformung mit hoher Umformgeschwindigkeit[1995/41]
English:High strain rate deformation of nickel-base superalloy compact[1995/41]
French:Superalliage à base de Ni en forme comprimés et sa déformation à une vitesse rapide[1995/41]
Examination procedure28.03.1996Examination requested  [1996/22]
08.11.1996Despatch of a communication from the examining division (Time limit: M06)
09.05.1997Reply to a communication from the examining division
25.08.1997Despatch of a communication from the examining division (Time limit: M06)
12.02.1998Reply to a communication from the examining division
29.06.1998Despatch of communication of intention to grant (Approval: Yes)
21.09.1998Communication of intention to grant the patent
17.12.1998Fee for grant paid
17.12.1998Fee for publishing/printing paid
Opposition(s)29.01.2000No opposition filed within time limit [2000/16]
Fees paidRenewal fee
17.01.1997Renewal fee patent year 03
26.01.1998Renewal fee patent year 04
05.02.1999Renewal fee patent year 05
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Documents cited:Search[X]US3698962  (KASAK AUGUST, et al) [X] 1-7 *Col.2, lines 19-72*;
 [X]US3704508  (GIAMBATTISTA VINCENT N DI) [X] 1-7 *Col.1, lines 13-15, col.2, lines 35-38,45-48 and Example*;
 [X]US3639179  (REICHMAN STEVEN H, et al) [X] 1-7 *Col.3, lines 22-32 and Example 1*;
 [A]US3888663  (REICHMAN STEVEN H) [A] 1-7 *Col. 7, lines 34-47*;
 [A]US1304339  (FEDERAL MOGUL CORP.) [A] 1-7 *Page 4, line 113-page 5, line 7*
 [X]  - SHARMA,K.K., MISRA,P.S., BIRLA,N.C., TEWARI, S.N., "Effect of Boron on the Microstructure of a PM Ni-Base Superalloy", KEY ENGINEERING MATERIALS, CH, vol. 29, no. 31, pages 429 - 442 [X] 1-7 *Pages 435-438*
 [X]  - PRAKASH, T.L., CHARI, Y.N., BHAGIRADHA RAO, E.S., THAMBURAJ, R., "Microstructures and Mechanical Properties of Hot Isostatically Pressed Powder Metallurgy Alloy APK-1", METALL. TRANS. A, PHYS. METALL. MATER. SCI., USA, vol. 14A, no. 4, pages 733 - 742 [X] 1-7 *Pages 733-734*
 [A]  - SOMANI,M.C., BHAGIRADHA RAO, E.S., BIRLA, N.C., BHATIA,M.L., SINGH,V., PRASAD, Y.V.R.K., "Processing Map for Controlling Microstructure in Hot Working of Hot Isostatically Pressed Powder Metallurgy Nimonic AP-1 Superalloy", METALL. TRANS. A, PHYS. METALL. MATER. SCI., USA, vol. 23A, no. 10, pages 2849 - 2857 [A] 1-7 *Experimental, Table I and Conclusions*
 [A]  - HYZAK, J.M., SINGH, R.P., MORRA, J.E., HOWSON, T.E., "The Microstructural Response of as-HIP P/M U-720 to Thermomechanical Processing", THE MINERALS, METALS AND MATERIALS SOCIETY, 420 COMMONWEALTH DRIVE, WARRENDALE, USA, CONFERENCE: SUPERALLOYS 1992, CHAMPION, PENNSYLVANIA, USA, 20-24/9/92, vol. 93, no. 1, pages 93 - 102 [A] 1-7
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