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Patent
   D450730
Priority
Jan 02 2001
Filed
Jan 02 2001
Issued
Nov 20 2001
Expiry
Nov 20 2015
Inventors
Krycki, Ro…
Assg.orig
K & S FUTU…
Assg.curr
K & S Futu…
Entity
unknown
Referenced by
6
References
2
Maint.:
n/a
The ornamental design for an air ring, as shown and described.

FIG. 1 is a perspective view above one side of the air ring of the prevent invention.

FIG. 2 is a side view of the air ring shown in FIG. 1, other side views similar; and,

FIG. 3 is an underside view of the air ring shown in FIG. 1.
INVENTORS:

Krycki, Robert D.

THIS PATENT IS REFERENCED BY THESE PATENTS:
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D672795, May 04 2012 Turbo plane blade with four teeth
D678370, Nov 10 2011 Turbo plane blade with three teeth
D719592, Apr 30 2013 Mini turbo plane blade with two teeth
D719593, Apr 30 2013 Mini turbo plane blade with three teeth
D869525, Apr 19 2017 DIAMOND PRODUCTIONS LTD Plate for mounting abrasive elements to a drive disk of concrete grinding and finishing machines
D886877, May 14 2018 Arbortech Industries Limited Planing tool attachment for an angle grinder
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4474634, Aug 31 1978 Mitsui Chemicals, Inc Process for producing a laminated film or sheet structure
4478564, Aug 30 1983 Tomi Machinery Manufacturing Co., Ltd. Air ring for inflation film molding
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 27 2000KRYCKI, ROBERT D K & S FUTURE DESIGN INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0114200654 pdf
Jan 02 2001K & S Future Design, Inc.(assignment on the face of the patent)
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