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Publication numberUSD305165 S
Publication typeGrant
Application numberUS 07/082,186
Publication dateDec 19, 1989
Filing dateAug 6, 1987
Publication number07082186, 082186, US D305165 S, US D305165S, US-S-D305165, USD305165 S, USD305165S
InventorsHans Rudolph, Kevin Rudolph
Original AssigneeHans Rudolph, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Two way check respiratory valve
US D305165 S
Images(1)
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Claims(1)
  1. The ornamental design for a two way check respiratory valve, as shown and described.
Description

FIG. 1 is a perspective view of a two way check respiratory valve showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image; and

FIG. 5 is a top plan view thereof, the bottom plan view being a mirror image.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6955650May 31, 2002Oct 18, 2005Healthetech, Inc.Metabolic calorimeter employing respiratory gas analysis
US8439036Dec 1, 2009May 14, 2013Covidien LpExhalation valve assembly with integral flow sensor
US8439037Dec 1, 2009May 14, 2013Covidien LpExhalation valve assembly with integrated filter and flow sensor
US8469030Dec 1, 2009Jun 25, 2013Covidien LpExhalation valve assembly with selectable contagious/non-contagious latch
US8469031Dec 1, 2009Jun 25, 2013Covidien LpExhalation valve assembly with integrated filter
Classifications
U.S. ClassificationD24/110.6