Patent
   D243635
Priority
Jul 23 1975
Filed
Jul 23 1975
Issued
Mar 08 1977
Expiry
Mar 08 1991
Assg.orig
Entity
unknown
12
5
n/a
The ornamental design for a pressure relief valve for respiratory inhalation systems, as shown and described.

FIG. 1 is a perspective view of a pressure relief valve for respiratory inhalation systems showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

The broken lines are shown for illustrative purposes only.

Miller, Bruce B.

Patent Priority Assignee Title
D249279, Sep 01 1975 Exhaust valve of respiratory mask
D264388, Mar 21 1980 Valved manifold for semi-open, non-rebreathing anesthesia
D275616, Mar 23 1982 O-TWO SYSTEMS INTERNATIONAL, INC Pressure regulator control module for self-contained breathing apparatus
D299517, Nov 26 1984 Etablissements Duffour et Igon (D.I.) Pressure reducer
D300172, Jul 30 1985 Engineering Patents & Equipment Lmt. Life jacket inflation unit
D305814, Mar 21 1986 ALLIED HEALTHCARE PRODUCTS, INC Resuscitator inhalator valve
D325083, May 23 1989 Colostomy bag
D355030, Apr 14 1993 Resuscitator valve
D619706, Nov 11 2008 SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO , LTD Pneumatic connector
D734854, Oct 29 2013 BEACONMEDAES LLC Medical gas manifold
D950045, Apr 03 2020 Black & Black Surgical, Inc. Cannula release device
D950046, Apr 03 2020 Black & Black Surgical, Inc. Cannula release device
Patent Priority Assignee Title
3521627,
3688794,
202319,
233569,
234637,
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