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Publication numberUSD441449 S1
Publication typeGrant
Application numberUS 29/121,756
Publication dateMay 1, 2001
Filing dateApr 12, 2000
Priority dateOct 12, 1999
Publication number121756, 29121756, US D441449 S1, US D441449S1, US-S1-D441449, USD441449 S1, USD441449S1
InventorsJohn Gaskell
Original AssigneeRj & Vk Bird Pty Ltd
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air flow filter for use in testing or treatment of the respiratory function of patients
US D441449 S1
Images(4)
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Claims(1)
  1. The ornamental design for an air flow filter for use in testing or treatment of the respiratory function of patients, as shown and described.
Description

FIG. 1 is a rear perspective view of an air flow filter for use in testing or treatment of the respiratory function of patients, showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a side elevation view thereof, the opposite side elevation being identical;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a top plan view thereof, the bottom plan view being identical; and,

FIG. 6 is a rear elevation view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6966443 *Sep 29, 2003Nov 22, 2005Ridge Robert AParaffin filter element
Classifications
U.S. ClassificationD24/162