Elastic gas washout vent for a respiratory mask

Kwok , et al. September 4, 2

Patent Grant D550351

U.S. patent number D550,351 [Application Number D/197,399] was granted by the patent office on 2007-09-04 for elastic gas washout vent for a respiratory mask. This patent grant is currently assigned to ResMed Limited. Invention is credited to Philip Rodney Kwok, Perry David Lithgow.


United States Patent D550,351
Kwok ,   et al. September 4, 2007

Elastic gas washout vent for a respiratory mask

Claims

CLAIM The ornamental design for an "elastic gas washout vent for a respiratory mask", as shown and described.
Inventors: Kwok; Philip Rodney (Chatswood, AU), Lithgow; Perry David (Glenwood, AU)
Assignee: ResMed Limited (Bella Vista, AU)
Family ID: 3799349
Appl. No.: D/197,399
Filed: January 15, 2004

Related U.S. Patent Documents

Application Number Filing Date Patent Number Issue Date
10364358 Feb 12, 2003 7207335
09021541 Feb 10, 1998 6561190

Foreign Application Priority Data

Feb 10, 1997 [AU] PO5045
Current U.S. Class: D24/110.1; D24/110.5; D24/110.4
Current CPC Class: A61M16/06 20130101; A62B18/02 20130101; A62B18/10 20130101; A61M2202/0225 20130101; A61M16/0683 20130101; A61M2205/42 20130101; A61M2205/0216 20130101; A61M2202/0225 20130101; A61M2202/0085 20130101
Current International Class: 2902
Field of Search: ;D24/110,110.6,110.4,110.1 ;128/207.16,207.12,205.25,206.24,202.27,206.28

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Primary Examiner: Simmons; Ian
Assistant Examiner: Lee; Christopher
Attorney, Agent or Firm: Nixon & Vanderhye P.C.

Description



FIG. 1 is a perspective view of an elastic gas washout vent for a respiratory mask showing our new design; and,

FIG. 2 is an enlarged, plan view thereof.

Where included, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design.

* * * * *


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