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(12) Patent: | (11) CA 1279587 |
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(21) Application Number: | 1279587 |
(54) English Title: | PIPE AND ITS RETAINER IN A TANK |
(54) French Title: | TUYAU, ET SON ORGANE D'IMMOBILISATION DANS UNE CITERNE |
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: | FRANCOIS MARTINEAUMARTINEAU, FRANCOIS |
(74) Associate agent: | |
(45) Issued: | 1991-01-29 |
(22) Filed Date: | 1987-07-23 |
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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ABSTRACT OF THE DISCLOSURE
A mounting means for an elbow pipe in a septic
tank consisting of a keyway made in the top wall of the tank
and longitudinally aligned with a circular opening formed in
an end wall adjacent the top wall of the tank. The elbow
pipe has a key adapted for outward sliding engagement in the
keyway. The elbow pipe fits within a sealing gasket adapted
to snap into the circular opening of the end wall and its end
portion is threaded. A connector sleeve is screwed on the
end of the elbow to secure the elbow within the gasket and to
receive a drain pipe glued within the sleeve.
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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Inactive: IPC from MCD | 2006-03-11 |
Inactive: IPC from MCD | 2006-03-11 |
Time Limit for Reversal Expired | 2003-01-29 |
Letter Sent | 2002-01-29 |
Inactive: Late MF processed | 2001-04-17 |
Letter Sent | 2001-01-29 |
Letter Sent | 1999-07-02 |
Grant by Issuance | 1991-01-29 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Paid Date |
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MF (category 1, 7th anniv.) - standard | 1998-01-29 | 1997-09-25 | |
Registration of a document | 1998-02-27 | ||
MF (category 1, 8th anniv.) - standard | 1999-01-29 | 1999-01-29 | |
MF (category 1, 9th anniv.) - standard | 2000-01-31 | 2000-01-27 | |
MF (category 1, 10th anniv.) - standard | 2001-01-29 | 2001-04-17 | |
Reversal of deemed expiry | 2001-01-29 | 2001-04-17 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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UNION CARBIDE CHEMICALS AND PLASTICS CANADA INC, DIVISION WEDCO MOLDED PRODUCTS |
3014593 NOVA SCOTIA COMPANY |
Past Owners on Record |
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DENIS GUIBAULT |