Patent
   D540647
Priority
Mar 11 2005
Filed
Mar 11 2005
Issued
Apr 17 2007
Expiry
Apr 17 2021
Assg.orig
Entity
unknown
24
10
n/a
The ornamental design for a safety knife, as shown.

FIG. 1 is a perspective of the safety knife from front, right side and above;

FIG. 2 is a front view of the safety knife;

FIG. 3 is a top plan view of the safety knife;

FIG. 4 is a left side view of the safety knife;

FIG. 5 is a view of the safety knife from beneath;

FIG. 6 is a right side view of the safety knife; and,

FIG. 7 is a rear view of the safety knife.

Ireland, William Alfred

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Patent Priority Assignee Title
5282316, Jan 04 1993 National Polymers LLC Hand held razor-containing cutting device
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5829321, Jan 06 1997 SQUARE ONE PARACHUTES, INC. Method for manufacturing a safety knife
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 11 2005WA1 Designs Limited(assignment on the face of the patent)
Mar 14 2005IRELEAND, WILLIAM ALFREDW A I DESIGNS LIMITEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159670879 pdf
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