Global Patent Index - EP 0964999 B1

EP 0964999 B1 2002-09-25 - VACUUM PUMP

Title (en)

VACUUM PUMP

Title (de)

VAKUUMPUMPE

Title (fr)

POMPE A VIDE

Publication

EP 0964999 B1 (DE)

Application

EP 98907961 A

Priority

  • DE 19709206 A
  • EP 9800288 W

Abstract (en)

[origin: DE19709206A1] The invention relates to a vacuum pump, comprising at least one pump chamber (7, 8, 23 to 26) and at least one chamber (3, 5, 27) adjoining said pump chamber. The vacuum pump is fitted with a gas ballast device in order to avoid damage being caused in the adjoining chambers by the gases being pumped, the ballast gas being delivered via the chamber adjoining the pump chamber.

IPC 1-7 (main, further and additional classification)

F04B 37/14; F04B 25/00; F04C 29/10

IPC 8 full level (invention and additional information)

F04B 25/00 (2006.01); F04B 37/14 (2006.01); F04C 28/28 (2006.01)

CPC (invention and additional information)

F04C 28/28 (2013.01); F04B 25/00 (2013.01); F04B 37/14 (2013.01); F04C 2220/50 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19709206 A1 19980910; CN 1133813 C 20040107; CN 1243563 A 20000202; EP 0964999 A1 19991222; EP 0964999 B1 20020925; JP 2001513862 A 20010904; JP 4067572 B2 20080326; KR 100592161 B1 20060623; KR 20000075898 A 20001226; US 6123516 A 20000926; WO 9839570 A1 19980911

INPADOC legal status


2013-06-28 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2011-12-15 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

- Document: DE 59805694

- Effective date: 20110802

2011-11-30 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2011-10-31 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Effective date: 20110131

2011-10-14 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20110930

2011-09-28 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20110120

2010-06-30 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2010-05-31 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2010-05-31 [PGFP IT] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2010-04-30 [PGRI IT] POSTGRANT: PATENT REINSTATED IN CONTRACTING STATE

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- Effective date: 20091201

2005-01-20 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050120

2003-09-17 [26N] NO OPPOSITION FILED

- Effective date: 20030626

2003-04-11 [ET] FR: TRANSLATION FILED

2003-02-19 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20030123

2002-10-31 [REF] CORRESPONDS TO:

- Document: DE 59805694 20021031

2002-09-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB IT

2002-09-25 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2002-01-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: BURGHARD, HANS, JOSEF

2002-01-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: GIEBMANNS, WOLFGANG

2002-01-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: BAHNEN, RUDOLF

2002-01-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: MEYER, JUERGEN

2001-03-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010207

1999-12-22 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990527

1999-12-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT