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(12) Patent: | (11) CA 2040249 |
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(54) English Title: | FLOAT CHAMBER |
(54) French Title: | CHAMBRE DE FLOTTEUR |
Status: | Expired |
(52) Canadian Patent Classification (CPC): |
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(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: | GOWLING LAFLEUR HENDERSON LLP |
(74) Associate agent: | |
(45) Issued: | 2001-06-05 |
(22) Filed Date: | 1991-04-11 |
(41) Open to Public Inspection: | 1992-10-12 |
Examination requested: | 1998-01-28 |
Availability of licence: | 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 Jumper valve for use in the float chamber of a boiling water unit.
The valve consists of a body of circular horizontal cross section having a
vertical outer wall. The inner portion of the valve body includes a
central circular cut-out seat portion to accommodate a cylindrical seal,
the wall of the valve seat between the cut-out portion and the outer wall
being sloped in the manner of the surface of the frustrum of a cone.
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.
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 , Administrative Status , Maintenance Fee and Payment History should be consulted.
Title | Date |
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Forecasted Issue Date | 2001-06-05 |
(22) Filed | 1991-04-11 |
(41) Open to Public Inspection | 1992-10-12 |
Examination Requested | 1998-01-28 |
(45) Issued | 2001-06-05 |
Expired | 2011-04-11 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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ZIP HEATERS (AUSTRALIA) PTY LIMITED |
Past Owners on Record |
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MARTIN, CHRISTOPHER ROY |
MASSEY, RAYMOND DENNIS |