Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD542408 S1
Publication typeGrant
Application numberUS 29/251,715
Publication dateMay 8, 2007
Filing dateJan 12, 2006
Priority dateJan 12, 2006
Also published asUSD579552
Publication number251715, 29251715, US D542408 S1, US D542408S1, US-S1-D542408, USD542408 S1, USD542408S1
InventorsAlison Oldenburg, Steven John Lubke, James William Charles Vandyke, David John Worboys, Susan Robyn Lynch
Original AssigneeResmed Limited
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Anti-asphyxia valve for respiratory mask
US D542408 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design for an anti-asphyxia valve for a respiratory mask, as shown and described.

FIG. 1 is a front perspective view of an anti-asphyxia valve for a respiratory mask according to our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear perspective view.

U.S. ClassificationD24/110.5, D24/110.6