Patent
   D332661
Priority
Mar 30 1990
Filed
Mar 30 1990
Issued
Jan 19 1993
Expiry
Jan 19 2007
Assg.orig
Entity
unknown
1
5
n/a
The ornamental design for a spirometer base unit, as shown and described.

FIG. 1 is a perspective view of a spirometer base unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

Sweeney, Jr., Paul B.

Patent Priority Assignee Title
D833014, Jan 25 2017 HEALTHUP SP. Z.O.O. Portable spirometer
Patent Priority Assignee Title
3922525,
4138105, Feb 28 1977 PROFESSIONAL MEDICAL PRODUCTS, INC , A DE CORP Respiratory exerciser
4391283, Mar 24 1981 Whitman Medical Corporation Incentive spirometer
4615340, Feb 27 1985 Becton, Dickinson and Company Sensor assembly suitable for blood gas analysis and the like and the method of use
4635647, Sep 07 1984 Incentive spirometer employing bellows air flow sensor
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 12 1990SWEENEY, PAUL B JR WELCH ALLYN, INC , 4341 STATE STREET ROAD, SKANEATELES FALLS, NY 13153 A CORP OF NYASSIGNMENT OF ASSIGNORS INTEREST 0052600354 pdf
Mar 30 1990Welch Allyn, Inc.(assignment on the face of the patent)
Jun 17 1994AUSMEDICS PTY LTD NEECON PTY LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0070580246 pdf
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