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(12) Patent Application: | (11) CA 2335490 |
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(54) English Title: | POMPE CRYOGENIQUE TRES HAUTE PRESSION |
(54) French Title: | VERY HIGH PRESSURE CRYOGENIC PUMP |
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: | NORTON ROSE FULBRIGHT CANADA LLP/S.E.N.C.R.L., S.R.L. |
(74) Associate agent: | |
(45) Issued: | |
(22) Filed Date: | 2001-02-09 |
(41) Open to Public Inspection: | 2001-08-11 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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Dans cette pompe, chaque segment d'étanchéité (14)
du piston (2) est constitué de deux segments élémentaires
(19A, 19B) accolés dont les coupes sont droites ou biaises
et sont décalées, au montage, de 180° l'une par rapport à
l'autre, et d'un expandeur commun (21), et les segments
élémentaires sont constitués d'un matériau composite qui
contient plus de 50% de bronze, environ 5% de bisulfure
de molybdène et le reste de PTFE.
Application au pompage en service continu et à
charge variable d'azote liquide sous des pressions de 850
bars ou plus.
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.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Application Not Reinstated by Deadline | 2007-02-09 |
Time Limit for Reversal Expired | 2007-02-09 |
Inactive: IPC from MCD | 2006-03-12 |
Inactive: Abandon-RFE+Late fee unpaid-Correspondence sent | 2006-02-09 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2006-02-09 |
Inactive: Delete abandonment | 2003-03-28 |
Inactive: Delete abandonment | 2003-03-28 |
Inactive: Office letter | 2003-03-28 |
Inactive: Office letter | 2003-03-28 |
Revocation of Agent Requirements Determined Compliant | 2003-03-28 |
Appointment of Agent Requirements Determined Compliant | 2003-03-28 |
Letter Sent | 2003-02-13 |
Inactive: Abandoned - No reply to Office letter | 2003-02-12 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2003-02-10 |
Revocation of Agent Requirements Determined Compliant | 2002-11-12 |
Appointment of Agent Requirements Determined Compliant | 2002-11-12 |
Revocation of Agent Request | 2002-10-24 |
Appointment of Agent Request | 2002-10-24 |
Application Published (Open to Public Inspection) | 2001-08-11 |
Inactive: Cover page published | 2001-08-10 |
Letter Sent | 2001-05-30 |
Inactive: Single transfer | 2001-04-26 |
Inactive: First IPC assigned | 2001-04-20 |
Inactive: Courtesy letter - Evidence | 2001-03-20 |
Inactive: Filing certificate - No RFE (French) | 2001-03-15 |
Filing Requirements Determined Compliant | 2001-03-15 |
Application Received - Regular National | 2001-03-13 |
Abandonment Date | Reason | Reinstatement Date |
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2006-02-09 | ||
2003-02-10 |
The last payment was received on 2005-01-20
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
Please refer to the CIPO Patent Fees web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Application fee - standard | 2001-02-09 | ||
Registration of a document | 2001-04-26 | ||
MF (application, 2nd anniv.) - standard | 02 | 2003-02-10 | 2003-01-31 |
MF (application, 3rd anniv.) - standard | 03 | 2004-02-09 | 2004-01-21 |
MF (application, 4th anniv.) - standard | 04 | 2005-02-09 | 2005-01-20 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
Past Owners on Record |
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ALAIN COLSON |