Humidifier tub

- ResMed Limited
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Description

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.

Claims

The ornamental design for a humidifier tub, as shown and described.

Referenced Cited
U.S. Patent Documents
D370059 May 21, 1996 Chiu et al.
D377973 February 11, 1997 Jane et al.
D385343 October 21, 1997 Chiu et al.
D498527 November 16, 2004 Virr et al.
D544591 June 12, 2007 Snow et al.
D549810 August 28, 2007 Smith et al.
Other references
  • Smith et al., U.S. Appl. No. 29/274,231, filed Apr. 6, 2007.
Patent History
Patent number: D579537
Type: Grant
Filed: Nov 16, 2007
Date of Patent: Oct 28, 2008
Assignee: ResMed Limited (Bella Vista)
Inventors: Ian Malcolm Smith (Westleigh), William Bonilla (Blacktown), John Michael Snow (Cremorne), Perry David Lithgow (Glenwood), Dan Kao (Chatswood)
Primary Examiner: Robin V Webster
Attorney: Nixon & Vanderhye P.C.
Application Number: 29/290,312
Classifications
Current U.S. Class: Element (D23/358)