Patent
   D974143
Priority
Oct 24 2022
Filed
Oct 24 2022
Issued
Jan 03 2023
Expiry
Jan 03 2038
Assg.orig
Entity
unknown
0
20
n/a
The ornamental design for a butterfly knife, as shown and described.

FIG. 1 is a perspective view of a butterfly knife showing our new design;

FIG. 2 is another perspective view thereof, wherein the knife is inverted;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 a perspective view of the butter knife in a half open position.

The contour shading lines do not represent surface indicia, but are utilized to illustrate the surface contours of the butterfly knife. Any broken line matter represent aspects of the butterfly knife that form no part of the claimed design.

Hirsch, William Everett, Chen, Jiasen

Patent Priority Assignee Title
Patent Priority Assignee Title
4330937, Jul 25 1980 Fish filletting knife
4364174, Apr 27 1981 Apparatus and improved method of manufacturing handles for butterfly defense knife
4555822, Nov 14 1984 Knife system with removable-accessory handle lock
4722140, Jan 22 1986 Knife system
6195898, Dec 04 1998 LEMISCH, ADAM M Magnetically latching butterfly knife
6715208, Aug 12 2002 LEMISCH, ADAM M Thumb lock for a butterfly knife
6848183, Aug 12 2002 Thumb lock for a butterfly knife
7676930, Jun 12 2007 GOOD SPORTSMAN MARKETING, L L C Dual handle safety folding knife
20160368155,
20180178398,
20190344457,
20200189128,
D289368, Dec 05 1984 Taylor Cutlery Mfg. Co. Butterfly pen knife
D472446, Jan 31 2001 Pocket knife
D566222, Jun 08 2007 HAWK DESIGNS INC; KAI U S A , LTD , DBA KERSHAW KNIVES Knife
D701103, Jun 22 2012 Marfione Custom Knives LLC Butterfly knife
D710166, Apr 11 2013 Stanley Black & Decker Inc. Folding chisel
D825310, Mar 10 2017 Butterfly Knife
D854392, Dec 13 2017 Acme United Corporation Foldable blade sharpener
D920763, Nov 26 2019 HEED INDUSTRIES INC Knife
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule