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Publication numberUSD333004 S
Publication typeGrant
Application numberUS 07/589,891
Publication dateFeb 2, 1993
Filing dateSep 28, 1990
Priority dateMar 29, 1990
Publication number07589891, 589891, US D333004 S, US D333004S, US-S-D333004, USD333004 S, USD333004S
InventorsGeorge A. McNamee, James A. Stockwell, Ronald F. Checksfield
Original AssigneeFerraris Development And Engineering Company Limited
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Ventilatory instrument for measuring peak expiratory flow
US D333004 S
Abstract  available in
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  1. The ornamental design for a ventilatory instrument for measuring peak expiratory flow, as shown and described.

FIG. 1 is a front elevational view of a ventilatory instrument for measuring peak expiratory flow showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD744655Nov 24, 2013Dec 1, 2015Benson Medical InstrumentsSpirometer airway
USD779071 *Aug 1, 2016Feb 14, 2017Christopher D. Warner, IIIPositive expiratory pressure device
U.S. ClassificationD24/164