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Extract from the Register of European Patents

EP About this file: EP0548606

EP0548606 - Resistance with PTC-behaviour [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.01.1997
Database last updated on 31.08.2024
Most recent event   Tooltip14.08.2009Change - representativepublished on 16.09.2009  [2009/38]
Applicant(s)For all designated states
ASEA BROWN BOVERI AG
Haselstrasse 16
5400 Baden / CH
[N/P]
Former [1993/26]For all designated states
ASEA BROWN BOVERI AG
Haselstrasse 16
CH-5401 Baden / CH
Inventor(s)01 / Greuter, Felix, Dr.
Im Tobelacher 11
CH-5406 Baden-Rütihof / CH
02 / Schüler, Claus, Dr.
Gemeindestrasse 4
CH-8967 Widen / CH
03 / Strümpler, Ralf, Dr.
Parkstrasse 29
CH-540 Baden / CH
[1993/26]
Representative(s)Kaiser, Helmut, et al
c/o Asea Brown Boveri AG
Immaterialgüterrecht - TEI
Haselstrasse 16/699
5401 Baden / CH
[N/P]
Former [2009/38]Kaiser, Helmut, et al
c/o Asea Brown Boveri AG Immaterialgüterrecht - TEI Haselstrasse 16/699
5401 Baden / CH
Former [1994/32]Kaiser, Helmut, Dr., et al
ABB Management AG, Abt. TEI - Immaterialgüterrecht
CH-5401 Baden / CH
Former [1993/26]Kaiser, Helmut, Dr.
ABB Management AG Abt. TEI
CH-5401 Baden / CH
Application number, filing date92120542.302.12.1992
[1993/26]
Priority number, dateDE1991414252321.12.1991         Original published format: DE 4142523
[1993/26]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0548606
Date:30.06.1993
Language:DE
[1993/26]
Type: A3 Search report 
No.:EP0548606
Date:06.04.1994
Language:DE
[1994/14]
Type: B1 Patent specification 
No.:EP0548606
Date:28.02.1996
[1996/09]
Search report(s)(Supplementary) European search report - dispatched on:EP21.02.1994
ClassificationIPC:H01C7/02, H01C7/10, H01B1/24
[1993/26]
CPC:
H01C7/02 (EP,US); H01C7/10 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1993/26]
TitleGerman:Widerstand mit PTC - Verhalten[1993/26]
English:Resistance with PTC-behaviour[1993/26]
French:Résistance à comportement PTC[1993/26]
Examination procedure05.09.1994Examination requested  [1994/44]
02.03.1995Despatch of communication of intention to grant (Approval: Yes)
11.07.1995Communication of intention to grant the patent
20.09.1995Fee for grant paid
20.09.1995Fee for publishing/printing paid
Opposition(s)29.11.1996No opposition filed within time limit [1997/08]
Fees paidRenewal fee
10.12.1994Renewal fee patent year 03
08.12.1995Renewal fee patent year 04
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Documents cited:Search[XA]US4910389  (SHERMAN EDWARD S [US], et al) [X] 1 * column W * [A] 13;
 [A]JPH01152704  ;
 [A]JPH01158702  ;
 [A]EP0363746  (ASEA BROWN BOVERI [SE]) [A] 1 * claims 1-3 *;
 [A]DE3707503  (NIPPON MEKTRON KK [JP]) [A] 1,13 * the whole document *;
 [A]WO9112643  (ASEA BROWN BOVERI [SE]) [A] 1,2,7 * page 7, paragraph 4 - page 8, paragraph 1; figure 2 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19890912), vol. 13, no. 413, Database accession no. (E - 820), & JP01152704 A 19890615 (MURATA MFG) [A] 1-3,7 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19890925), vol. 13, no. 429, Database accession no. (E - 823), & JP01158702 A 19890621 (MURATA MFG) [A] 1 * abstract *
 [DA]  - SHROUT ET AL., "Composite PTCR thermistors utilizing conducting borides, silicides, and carbide powders.", JOURNAL OF MATERIALS SCIENCE, LONDON GB, (1991), vol. 26, pages 145 - 154 [DA] 1 * the whole document *
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.