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(12) Patent Application: | (11) CA 2575775 |
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(54) English Title: | SINGLE-BLADE VACUUM PUMP |
(54) French Title: | POMPE A VIDE A UNE AILETTE |
Status: | Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | |
(74) Associate agent: | |
(45) Issued: | |
(86) PCT Filing Date: | 2005-04-20 |
(87) Open to Public Inspection: | 2006-01-19 |
Examination requested: | 2010-03-25 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | Yes |
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(86) PCT Filing Number: | PCT/EP2005/004209 |
(87) International Publication Number: | EP2005004209 |
(85) National Entry: | 2007-02-01 |
(30) Application Priority Data: | ||||||
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The invention relates to a single-blade vacuum pump comprising a pot-shaped
housing (12), a rotor (18) mounted in the housing in such a way that it can be
eccentrically rotated, a blade (20) mounted in the rotor in such a way that it
can be orthogonally displaced in relation to the rotational axis, and a
housing cover which is used to close the working regions separated by the
blade (20). According to the invention, the rotor (18) at least partially
consists of sintered metal.
L'invention concerne une pompe à vide à une ailette, qui comprend un carter de pompe (12) en forme de creuset, un rotor (18) monté de manière rotative et excentrique dans le carter, une ailette (20) logée mobile dans le rotor orthogonalement à l'axe de rotation, ainsi qu'un couvercle de carter fermant les espaces de travail séparés par l'ailette (20). Selon l'invention, le rotor (18) est constitué au moins partiellement de métal fritté.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
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Description | Date |
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Revocation of Agent Requirements Determined Compliant | 2021-04-01 |
Application Not Reinstated by Deadline | 2012-04-20 |
Time Limit for Reversal Expired | 2012-04-20 |
Revocation of Agent Requirements Determined Compliant | 2012-01-17 |
Inactive: Office letter | 2012-01-13 |
Inactive: Office letter | 2012-01-11 |
Revocation of Agent Request | 2011-12-13 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2011-04-20 |
Amendment Received - Voluntary Amendment | 2010-07-13 |
Letter Sent | 2010-04-15 |
Request for Examination Received | 2010-03-25 |
All Requirements for Examination Determined Compliant | 2010-03-25 |
Request for Examination Requirements Determined Compliant | 2010-03-25 |
Revocation of Agent Requirements Determined Compliant | 2008-11-14 |
Inactive: Office letter | 2008-11-14 |
Inactive: Office letter | 2008-11-13 |
Amendment Received - Voluntary Amendment | 2008-06-09 |
Inactive: IPRP received | 2008-02-21 |
Inactive: Declaration of entitlement - Formalities | 2007-12-07 |
Inactive: Cover page published | 2007-04-19 |
Inactive: Courtesy letter - Evidence | 2007-04-10 |
Inactive: Notice - National entry - No RFE | 2007-04-04 |
Application Received - PCT | 2007-02-26 |
National Entry Requirements Determined Compliant | 2007-02-01 |
Application Published (Open to Public Inspection) | 2006-01-19 |
Abandonment Date | Reason | Reinstatement Date |
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2011-04-20 |
The last payment was received on 2010-03-12
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
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web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Reinstatement (national entry) | 2007-02-01 | ||
Basic national fee - standard | 2007-02-01 | ||
MF (application, 2nd anniv.) - standard | 02 | 2007-04-20 | 2007-03-22 |
MF (application, 3rd anniv.) - standard | 03 | 2008-04-21 | 2008-03-17 |
MF (application, 4th anniv.) - standard | 04 | 2009-04-20 | 2009-03-17 |
MF (application, 5th anniv.) - standard | 05 | 2010-04-20 | 2010-03-12 |
Request for examination - standard | 2010-03-25 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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JOMA-HYDROMECHANIC GMBH |
Past Owners on Record |
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FRIEDHELM PFITZER |
MARTIN THOMA |
WILLI SCHNEIDER |