Patent
   D411880
Priority
Jul 08 1998
Filed
Jul 08 1998
Issued
Jul 06 1999
Expiry
Jul 06 2013
Assg.orig
Entity
unknown
6
2
n/a
The ornamental design for an air purification unit, as shown.

FIG. 1 is a top, right, front perspective view of an air purification unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Lobdell, Vincent G., Cappadona, Richard R.

Patent Priority Assignee Title
D476068, Jun 03 2002 Whirpool Corporation Air purifier
D899572, Jan 07 2019 Coway Co., Ltd. Air purifier
D912235, Jan 07 2019 COWAY CO , LTD Air purifier
D921866, Jan 07 2019 COWAY CO , LTD Air purifier
D937397, Jan 07 2019 COWAY CO , LTD Air purifier
D954240, Jan 07 2019 COWAY CO , LTD Air purifier
Patent Priority Assignee Title
5332425, Feb 22 1993 Hung Hsing Electric Co., Ltd. Air purifier
D402746, Mar 02 1998 Carrier Corporation Portable air cleaner
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 03 1998HEALTHWAY PRODUCTS COMPANY, INC CAPPADONA, RICHARD RASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093080687 pdf
Jul 03 1998LOBDELL, VINCENT G HEALTHWAY PRODUCTS COMPANY, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093080697 pdf
Jul 08 1998Richard R., Cappadona(assignment on the face of the patent)
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