Butterfly Knife

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Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

Claims

The ornamental design for a butterfly knife, as shown and described.

Referenced Cited
U.S. Patent Documents
D163746 June 1951 Dobbs et al.
2714592 August 1955 Mueller
4271592 June 9, 1981 Hoptner
4330937 May 25, 1982 Cope
4364174 December 21, 1982 De Asis
4547965 October 22, 1985 Moore
4555822 December 3, 1985 Miceli
D289368 April 21, 1987 Mann
4672743 June 16, 1987 Grahm
4722140 February 2, 1988 Miceli
6195898 March 6, 2001 Lemisch
D487494 March 9, 2004 Glesser
6715208 April 6, 2004 Lemisch
6848183 February 1, 2005 Lemisch
7676930 March 16, 2010 Demko
D701103 March 18, 2014 Marfione
8973273 March 10, 2015 Brown
D727691 April 28, 2015 Wang
Other references
  • Print out from Google image search for butterfly training knife.
Patent History
Patent number: D825310
Type: Grant
Filed: Mar 10, 2017
Date of Patent: Aug 14, 2018
Inventor: Huan Liu (Xiaochang County)
Primary Examiner: Philip S Hyder
Application Number: 29/596,677
Classifications
Current U.S. Class: D8/99