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Publication numberUSD325634 S
Publication typeGrant
Application numberUS 07/501,503
Publication dateApr 21, 1992
Filing dateMar 30, 1990
Publication number07501503, 501503, US D325634 S, US D325634S, US-S-D325634, USD325634 S, USD325634S
InventorsPaul B. Sweeney, Jr.
Original AssigneeWelch Allyn, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable spirometer
US D325634 S
Images(2)
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Claims(1)
  1. The ornamental design for a portable spirometer, as shown and described.
Description

FIG. 1 is a perspective view of a portable spirometer, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Non-Patent Citations
Reference
1Vitalograph publication, The Compact Spirometer.
Classifications
U.S. ClassificationD24/164