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Extract from the Register of European Patents

EP About this file: EP0117523

EP0117523 - Reduced vacuum cryopump [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  08.01.1996
Database last updated on 10.07.2024
Most recent event   Tooltip17.04.2015Change - lapse in a contracting state
State(s) deleted from list of lapses: FR
published on 20.05.2015  [2015/21]
Applicant(s)For all designated states
HELIX TECHNOLOGY CORPORATION
266 Second Avenue Waltham
Massachusetts 02254 / US
[N/P]
Former [1984/36]For all designated states
HELIX TECHNOLOGY CORPORATION
266 Second Avenue
Waltham Massachusetts 02254 / US
Inventor(s)01 / Peterson, John F.
Three Brancroft Street
Lynnfield, Mass. 01940 / US
02 / Bartlett, Allen J.
Three Briar Drive
Milford, Mass. 01757 / US
[1984/36]
Representative(s)Kraus, Walter, et al
Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15
80539 München / DE
[N/P]
Former [1984/36]Kraus, Walter, Dr., et al
Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15
D-80539 München / DE
Application number, filing date84101862.522.02.1984
[1984/36]
Priority number, dateUS1983047091428.02.1983         Original published format: US 470914
[1984/36]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0117523
Date:05.09.1984
Language:EN
[1984/36]
Type: A3 Search report 
No.:EP0117523
Date:15.01.1986
Language:EN
[1986/03]
Type: B1 Patent specification 
No.:EP0117523
Date:18.05.1988
Language:EN
[1988/20]
Type: B2 New European patent specification 
No.:EP0117523
Date:07.02.1996
[1996/06]
Search report(s)(Supplementary) European search report - dispatched on:EP12.11.1985
ClassificationIPC:F04B37/08
[1984/36]
CPC:
F04B37/08 (EP,US); C23C14/564 (EP,US); Y10S417/901 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   NL [1984/36]
TitleGerman:Kryopumpe mit vermindertem Vakuum[1988/20]
English:Reduced vacuum cryopump[1984/36]
French:Cryopompe pour un vide réduit[1984/36]
Former [1984/36]Reduzierte Vakuum-Kryopumpe
Examination procedure20.05.1986Examination requested  [1986/31]
14.11.1986Despatch of a communication from the examining division (Time limit: M05)
24.04.1987Reply to a communication from the examining division
11.08.1987Despatch of communication of intention to grant (Approval: )
20.11.1987Communication of intention to grant the patent
15.02.1988Fee for grant paid
15.02.1988Fee for publishing/printing paid
Opposition(s)Opponent(s)01  18.02.1989  17.03.1989  ADMISSIBLE
Leybold AG
Bonner StraBe 498
D-5000 Köln 51 / DE
Opponent's representative
Leineweber, Jürgen
Patentanwalt
Siebachstrasse 47
50733 Köln / DE
 [N/P]
Former [1989/16]
Opponent(s)01  18.02.1989  17.03.1989  ADMISSIBLE
Leybold AG
Bonner StraBe 498
D-5000 Köln 51 / DE
Opponent's representative
Leineweber, Jürgen, Dipl.-Phys.
Aggerstrasse 24
D-50859 Köln / DE
22.03.1989Invitation to proprietor to file observations on the notice of opposition
04.09.1989Reply of patent proprietor to notice(s) of opposition
11.09.1989Communication of observations of patent proprietor (Time limit: M04)
10.01.1990Reply of parties involved to observations of patent proprietor
20.02.1990Despatch of a communication from the opposition division (Time limit: M04)
02.07.1990Reply to a communication from the opposition division
24.10.1990Despatch of a communication from the opposition division (Time limit: M04)
04.03.1991Reply to a communication from the opposition division
15.12.1994Despatch of a communication from the opposition division (Time limit: M04)
20.03.1995Reply to a communication from the opposition division
02.08.1995Fee for printing new specification paid
28.08.1995Despatch of interlocutory decision in opposition
07.09.1995Legal effect of interlocutory decision in opposition
13.12.1995Despatch of communication that the patent will be maintained as amended
Appeal following opposition22.01.1992Appeal received No.  T0068/92
01.04.1992Statement of grounds filed
20.10.1994Result of appeal procedure: maintenance in amended form
20.10.1994Date of oral proceedings
31.10.1994Minutes of the oral proceedings despatched
Fees paidRenewal fee
12.02.1986Renewal fee patent year 03
19.02.1987Renewal fee patent year 04
17.02.1988Renewal fee patent year 05
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Lapses during opposition  TooltipGB22.02.1991
[2015/21]
Former [1992/25]GB22.02.1991
FR31.10.1991
Former [1992/06]GB22.02.1991
Documents cited:Search[A]GB1170824  (500 INC [US]);
 [Y]US4148196  (FRENCH JOHN B, et al);
 [Y]FR2436269  (VARIAN ASSOCIATES [US]);
 [E]EP0119451  (HELIX TECH CORP [US])
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.