Patent
   D282547
Priority
Apr 04 1983
Filed
Apr 04 1983
Issued
Feb 11 1986
Expiry
Feb 11 2000
Assg.orig
Entity
unknown
4
6
n/a
The ornamental design for a large capacity, modular, oxygen concentrator, as shown and described.

FIG. 1 is a front elevational view of a large capacity, modular oxygen concentrator, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a top plan view thereof.

McCombs, Norman R.

Patent Priority Assignee Title
D292215, May 14 1984 FLUIDS CONTROL, INC , 109 PARKVIEW ROAD, P O DRAWER 2250, EVANSTON, WYOMING 82930 A COMPANY COLORADO Fluid filtration unit for use in oil well hole drilling operations
D311061, Sep 21 1987 AirSep Corporation Air separator
D797154, Sep 29 2015 Tacmina Corporation Diaphragm pump
D970730, Dec 07 2020 SHENZHEN IMDK MEDICAL TECHNOLOGY CO., LTD. Oxygen concentrator
Patent Priority Assignee Title
2625237,
3155471,
3164452,
4266952, Dec 17 1976 Apparatus operating with an adsorbent substance for purifying air
4272265, Jun 22 1979 MARK TWAIN BANK Apparatus for pressure swing generation of oxygen
4373938, Sep 11 1981 XORBOX CORPORATION Modular industrial oxygen concentrator
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 31 1983MC COMBS, NORMAN R GREENE & KELLOGG, INC ASSIGNMENT OF ASSIGNORS INTEREST 0041150312 pdf
Apr 04 1983Greene & Kellogg, Inc.(assignment on the face of the patent)
Dec 01 1985GREENE AND KELLOGG, INC XORBOX CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST 0045550935 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule