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Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:
(12) Patent: | (11) CA 2685803 |
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(54) English Title: | PRESSURE TANK |
(54) French Title: | RESERVOIR SOUS PRESSION |
Status: | Expired and beyond the Period of Reversal |
(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: | CASSAN MACLEAN IP AGENCY INC. |
(74) Associate agent: | |
(45) Issued: | 2013-04-30 |
(22) Filed Date: | 2009-11-18 |
(41) Open to Public Inspection: | 2011-05-18 |
Examination requested: | 2010-02-17 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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A pressure tank assembly for use primarily in a plumbing system connected to a well or other water supply system includes a tank containing a bladder and a ring around the bladder in the tank midway between the top and bottom ends thereof. Water is introduced into the ring and discharged into the tank via holes in the bottom of the ring. Water for domestic use is drawn from the top of the tank. Sediment is removed through a drain in the bottom of the tank.
Un ensemble de réservoir sous pression sert principalement dans un système de tuyauterie raccordé à un puits ou à un autre système d'approvisionnement en eau et comprend un réservoir contenant une vessie et une bague autour de la vessie dans le réservoir, à mi-chemin entre ses extrémités du haut et du bas. L'eau est introduite dans la bague et versée dans le réservoir par des trous au fond de la bague. L'eau à usage domestique est extraite du haut du réservoir. Les sédiments sont éliminés par un drain au bas du réservoir.
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.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee and Payment History should be consulted.
Description | Date |
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Time Limit for Reversal Expired | 2021-08-31 |
Inactive: COVID 19 Update DDT19/20 Reinstatement Period End Date | 2021-03-13 |
Letter Sent | 2020-11-18 |
Letter Sent | 2020-08-31 |
Inactive: COVID 19 - Deadline extended | 2020-08-19 |
Inactive: COVID 19 - Deadline extended | 2020-08-06 |
Inactive: COVID 19 - Deadline extended | 2020-07-16 |
Inactive: COVID 19 - Deadline extended | 2020-07-02 |
Inactive: COVID 19 - Deadline extended | 2020-06-10 |
Inactive: COVID 19 - Deadline extended | 2020-05-28 |
Inactive: COVID 19 - Deadline extended | 2020-05-14 |
Letter Sent | 2019-11-18 |
Common Representative Appointed | 2019-10-30 |
Common Representative Appointed | 2019-10-30 |
Revocation of Agent Requirements Determined Compliant | 2019-10-01 |
Appointment of Agent Requirements Determined Compliant | 2019-10-01 |
Revocation of Agent Request | 2019-08-29 |
Appointment of Agent Request | 2019-08-29 |
Grant by Issuance | 2013-04-30 |
Inactive: Cover page published | 2013-04-29 |
Pre-grant | 2013-02-12 |
Inactive: Final fee received | 2013-02-12 |
Letter Sent | 2013-01-02 |
Notice of Allowance is Issued | 2013-01-02 |
Notice of Allowance is Issued | 2013-01-02 |
Inactive: Approved for allowance (AFA) | 2012-12-10 |
Amendment Received - Voluntary Amendment | 2012-07-10 |
Inactive: S.30(2) Rules - Examiner requisition | 2012-06-18 |
Application Published (Open to Public Inspection) | 2011-05-18 |
Inactive: Cover page published | 2011-05-17 |
Letter Sent | 2010-03-04 |
Inactive: IPC assigned | 2010-02-23 |
Inactive: First IPC assigned | 2010-02-23 |
Inactive: IPC assigned | 2010-02-23 |
Inactive: IPC assigned | 2010-02-23 |
Inactive: IPC assigned | 2010-02-23 |
Inactive: IPC removed | 2010-02-17 |
Request for Examination Requirements Determined Compliant | 2010-02-17 |
All Requirements for Examination Determined Compliant | 2010-02-17 |
Request for Examination Received | 2010-02-17 |
Inactive: IPC assigned | 2010-02-17 |
Inactive: Correspondence - Formalities | 2010-01-12 |
Reinstatement Requirements Deemed Compliant for All Abandonment Reasons | 2009-12-22 |
Application Received - Regular National | 2009-12-14 |
Inactive: Filing certificate - No RFE (English) | 2009-12-14 |
Small Entity Declaration Determined Compliant | 2009-11-18 |
There is no abandonment history.
The last payment was received on 2012-08-09
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
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Application fee - small | 2009-11-18 | ||
Request for examination - small | 2010-02-17 | ||
MF (application, 2nd anniv.) - small | 02 | 2011-11-18 | 2011-10-24 |
MF (application, 3rd anniv.) - small | 03 | 2012-11-19 | 2012-08-09 |
Final fee - small | 2013-02-12 | ||
MF (patent, 4th anniv.) - small | 2013-11-18 | 2013-08-06 | |
MF (patent, 5th anniv.) - small | 2014-11-18 | 2014-10-20 | |
MF (patent, 6th anniv.) - small | 2015-11-18 | 2015-08-18 | |
MF (patent, 7th anniv.) - small | 2016-11-18 | 2016-08-22 | |
MF (patent, 8th anniv.) - small | 2017-11-20 | 2017-08-14 | |
MF (patent, 9th anniv.) - small | 2018-11-19 | 2018-08-23 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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GEORGE RAYMOND FIELD |
Past Owners on Record |
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None |