Patent
   D868241
Priority
Apr 03 2018
Filed
Apr 03 2018
Issued
Nov 26 2019
Expiry
Nov 26 2034
Assg.orig
Entity
unknown
1
8
n/a
We claim the design for an expiration valve for a medical ventilator, as shown and described.

1. Expiration for a medical ventilator

FIG. 1.1 is a back plan view of the expiration valve for a medical ventilator.

FIG. 1.2 is a left plan view of the expiration valve for a medical ventilator of FIG. 1.1.

FIG. 1.3 is a front plan view of the expiration valve for a medical ventilator of FIG. 1.1.

FIG. 1.4 is a bottom plan view of the expiration valve for a medical ventilator of FIG. 1.1.

FIG. 1.5 is a top perspective view of the expiration valve for a medical ventilator of FIG. 1.1.

FIG. 1.6 is a bottom perspective view of the expiration valve for a medical ventilator of FIG. 1.1.

FIG. 1.7 is a right plan view of the expiration valve for a medical ventilator of FIG. 1.1.

FIG. 1.8 is a top plan view of the expiration valve for a medical ventilator of FIG. 1.1.

A second embodiment of my design is a mirror image of the first embodiment depicted in FIGS. 1.1 to 1.8. The portions of the expiration valve for a medical ventilator shown in broken lines depict unclaimed portions of the expiration valve for a medical ventilator only and form no part of the claimed design.

Breitruck, Felix, De-Stefani, Dino

Patent Priority Assignee Title
D981567, Dec 18 2020 HAMILTON MEDICAL AG Part of an artificial lung ventilation apparatus
Patent Priority Assignee Title
4267832, Apr 18 1978 Expiration valve apparatus for use with a respirator or like apparatus
5065746, Jul 07 1988 Dragerwerk Expiration valve control arrangement for a ventilating apparatus
20180126112,
20180126113,
20180126114,
D295333, Feb 19 1985 Cadillac Medical Supply, Inc. Resuscitation ventilator
D350394, Mar 16 1992 Allegiance Corporation Ventilator circuit
D539418, Apr 20 2005 ResMed Pty Ltd Nasal mask
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 03 2018HAMILTON MEDICAL AG(assignment on the face of the patent)
May 23 2019BREITRUCK, FELIXHAMILTON MEDICAL AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0496530177 pdf
May 29 2019DE-STEFANI, DINOHAMILTON MEDICAL AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0496530177 pdf
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