Patent
   D550351
Priority
Feb 10 1997
Filed
Jan 15 2004
Issued
Sep 04 2007
Expiry
Sep 04 2021
Assg.orig
Entity
unknown
3
174
n/a
The ornamental design for an “elastic gas washout vent for a respiratory mask”, as shown and described.

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.

Kwok, Philip Rodney, Lithgow, Perry David

Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 15 2004ResMed Limited(assignment on the face of the patent)
Jun 15 2004KWOK, PHILIP RODNEYResMed LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0158430624 pdf
Jun 15 2004KWOK, PHILIP RODNEYResMed LimitedCORRECTIVE ASSIGNMENT TO CORRECT ASSIGNOR S NAME AND ASSIGNEE S ADDRESS PREVOIUSLY RECORDED AT REEL 015843 FRAME 06240167910091 pdf
Jun 16 2004LITHGOW, PERRY DAVIDResMed LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0158430624 pdf
Jun 16 2004LITHGOW, PERRY DAVIDResMed LimitedCORRECTIVE ASSIGNMENT TO CORRECT ASSIGNOR S NAME AND ASSIGNEE S ADDRESS PREVOIUSLY RECORDED AT REEL 015843 FRAME 06240167910091 pdf
Dec 11 2006ResMed LimitedResMed LimitedCHANGE OF ASSIGNEE S ADDRESS0195310558 pdf
Mar 01 2019ResMed LimitedResMed Pty LtdCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0500050461 pdf
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