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(12) Patent: | (11) CA 2204192 |
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(54) English Title: | ECONOMISATEUR D'EAU |
(54) French Title: | WATER SAVING DEVICE FOR TOILET CISTERNS |
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: | |
(74) Associate agent: | |
(45) Issued: | 1999-04-20 |
(22) Filed Date: | 1997-05-01 |
(41) Open to Public Inspection: | 1997-11-07 |
Examination requested: | 1997-07-04 |
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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This invention relates to water saving systems for water closets and similar systems equipped with a flapper valve which, when opened, remain open until the reservoir is empty. A small bottomless reservoir (20) is placed in the regular reservoir (12) of a water closet so as to create two separate reservoirs, one inside the other. At the base (27) of the said smaller reservoir is an opening (26) allowing water to enter from the base of the regular reservoir. At the top of the small reservoir is a flapper (24) which is actuated by the lever arm (18) that actuates the flush cycle of the water closet, and which closes as soon as the lever arm is released. With the small reservoir full and its flapper closed, if the water closet flush lever arm (18) is actuated long enough to open the flapper of the regular reservoir, the small reservoir stays full of water while the regular reservoir empties. This system automatically saves the volume of water in the small reservoir when the water closet is used. The lower edge of the small reservoir can be cut to decrease its height relative to the height of the regular reservoir in which it is installed.
Cette invention se rapporte aux systèmes permettant une économie
d'eau pour les cabinets de toilette et autres systèmes du même genre
munis d'un clapet du type qui une fois ouvert le demeure jusqu'à
vidange complète du réservoir. Un petit réservoir sans fond (20) est
placé dans le réservoir régulier (12) d'un cabinet de toilette de façon à
créer deux réservoirs distincts dont l'un à l'intérieur de l'autre. A la
base (27) de ce petit réservoir se situe une ouverture (26) permettant
l'entrée d'eau à partir de la base du réservoir régulier. Sur le dessus du
petit réservoir est situé un clapet (24) contrôlé par le même bras de
levier (18) que celui de la chasse d'eau du cabinet de toilette et qui se
referme dès qu'on relâche ce bras de levier. Quand le petit réservoir
est plein et que son clapet est fermé, si on active le bras de levier (18)
de la chasse d'eau du cabinet pendant un temps suffisant pour ouvrir le
clapet du réservoir régulier, le petit réservoir reste plein d'eau pendant
que le réservoir régulier se vide. Ce système permet une économie
automatique de la quantité d'eau du petit réservoir, lors de l'utilisation
du cabinet de toilette. Le bord inférieur du petit réservoir peut être
découpé afin de réduire as hauteur en fonction de la hauteur du
réservoir régulier dans lequel on l'installe.
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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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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Time Limit for Reversal Expired | 2003-05-01 |
Inactive: Adhoc Request Documented | 2003-02-05 |
Letter Sent | 2002-05-01 |
Inactive: Office letter | 2000-02-28 |
Change of Address Requirements Determined Compliant | 2000-02-28 |
Change of Address or Method of Correspondence Request Received | 2000-02-14 |
Inactive: Late MF processed | 1999-05-25 |
Inactive: Applicant deleted | 1999-05-05 |
Inactive: Adhoc Request Documented | 1999-05-05 |
Inactive: Inventor deleted | 1999-05-05 |
Letter Sent | 1999-05-03 |
Grant by Issuance | 1999-04-20 |
Inactive: Adhoc Request Documented | 1999-04-19 |
Pre-grant | 1999-01-18 |
Inactive: Final fee received | 1999-01-18 |
Notice of Allowance is Issued | 1998-07-30 |
Letter Sent | 1998-07-30 |
Notice of Allowance is Issued | 1998-07-30 |
Inactive: Application prosecuted on TS as of Log entry date | 1998-07-21 |
Inactive: Status info is complete as of Log entry date | 1998-07-21 |
Inactive: Approved for allowance (AFA) | 1998-07-13 |
Amendment Received - Voluntary Amendment | 1998-03-16 |
Inactive: S.30(2) Rules - Examiner requisition | 1997-12-12 |
Letter sent | 1997-12-03 |
Advanced Examination Determined Compliant - paragraph 84(1)(a) of the Patent Rules | 1997-12-03 |
Inactive: Adhoc Request Documented | 1997-12-03 |
Application Published (Open to Public Inspection) | 1997-11-07 |
Inactive: First IPC assigned | 1997-08-05 |
Inactive: IPC assigned | 1997-08-05 |
Inactive: IPC assigned | 1997-08-05 |
Filing Requirements Determined Compliant | 1997-07-24 |
Inactive: Filing certificate - No RFE (French) | 1997-07-24 |
Inactive: Advanced examination (SO) fee processed | 1997-07-04 |
Request for Examination Requirements Determined Compliant | 1997-07-04 |
All Requirements for Examination Determined Compliant | 1997-07-04 |
Inactive: Advanced examination (SO) | 1997-07-04 |
Request for Examination Received | 1997-06-04 |
All Requirements for Examination Determined Compliant | 1997-06-04 |
Inactive: Office letter | 1997-06-03 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Application fee - small | 1997-05-01 | ||
Request for examination - small | 1997-07-04 | ||
Advanced Examination | 1997-07-04 | ||
Final fee - small | 1999-01-18 | ||
Reversal of deemed expiry | 1999-05-03 | 1999-05-25 | |
MF (patent, 2nd anniv.) - small | 1999-05-03 | 1999-05-25 | |
MF (patent, 3rd anniv.) - small | 2000-05-01 | 2000-05-01 | |
MF (patent, 4th anniv.) - small | 2001-05-01 | 2001-03-26 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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GASTON TREMBLAY |
Past Owners on Record |
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None |