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