Patent
   D284026
Priority
Jun 07 1985
Filed
Jun 07 1985
Issued
May 27 1986
Expiry
May 27 2000
Assg.orig
Entity
unknown
10
6
n/a
The ornamental design for a oxygen concentrator, as shown and described.

FIG. 1 is a right side perspective view of an oxygen concentrator showing my new design;

FIG. 2 is a left side perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear side elevational view thereof; and

FIG. 7 is a top plan view thereof.

The broken line showing of a cord and plug is for illustrative purposes only and forms no part of the claimed design.

McCombs, Norman R.

Patent Priority Assignee Title
D311061, Sep 21 1987 AirSep Corporation Air separator
D329288, Nov 15 1989 Puritan-Bennett Corporation Cabinet for an oxygen concentrator
D333005, Oct 30 1990 CERAMATEC, INC , A CORPORATION OF UT Transportable oxygen therapy unit
D412577, Oct 06 1997 COBHAM MISSION SYSTEMS DAVENPORT LSS INC Oxygen concentrator used in home health care
D471278, May 03 2002 Oxygen concentrator
D471982, May 03 2002 Oxygen concentrator
D490155, Dec 09 2002 Matsushita Electric Industrial Co., Ltd.; MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD Oxygen concentrator
D510438, Jan 13 2004 MATSUSHITA ELECTRIC INDUSTRIAL CO LTD Oxygen concentrator
D513074, Mar 08 2004 MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD Oxygen concentrator
D835290, Jul 21 2017 Medical oxygen concentrator
Patent Priority Assignee Title
3964478, Jul 19 1974 Inhaler apparatus
238887,
D246857, Jun 16 1976 METTLER-TOLEDO AG METTLER-TOLEDO SA METTLER-TOLEDO LTD , IM LANGACHER GREIFENSEE, SWITZERLAND Apparatus for determining the melting point of materials
D261033, Feb 05 1979 CAMBRIDGE INSTRUMENTS INC , A DE CORP Bilirubin concentration analyzer
D261676, May 14 1979 JOHN BUNN COMPANY, THE Compact oxygen concentrator
D273717, Aug 28 1981 JOHN BUNN COMPANY, THE Compact medical oxygen concentrator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 03 1985MC COMBS, NORMAN R GREENE & KELLOGG, INC , A CORP OF NYASSIGNMENT OF ASSIGNORS INTEREST 0044150110 pdf
Jun 07 1985Greene & Kellogg, Inc.(assignment on the face of the patent)
Dec 01 1985GREENE & KELLOGG, INC JOHN BUNN COMPANY, THEASSIGNMENT OF ASSIGNORS INTEREST 0045550939 pdf
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