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Patent
D579537
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Priority
Apr 06 2006
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Filed
Nov 16 2007
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Issued
Oct 28 2008
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Expiry
Oct 28 2022
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Assg.orig
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Entity
unknown
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3
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6
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n/a
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The ornamental design for a humidifier tub, as shown and described.
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FIG. 1 is a front perspective view of a humidifier tub for a respiratory apparatus according to an embodiment of our design;
FIG. 2 is a front view thereof; and,
FIG. 3 is a top view thereof.
Where included, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design.
Kao, Dan, Snow, John Michael, Lithgow, Perry David, Smith, Ian Malcolm, Bonilla, William
Patent |
Priority |
Assignee |
Title |
11247016, |
May 14 2018 |
Covidien LP |
Systems and methods for ventilation humidification |
11931519, |
May 14 2018 |
Covidien LP |
Systems and methods for ventilation humidification |
9084865, |
Sep 15 2004 |
Covidien AG |
System and method for regulating a heating humidifier |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a