Butterfly knife
Claims
The ornamental design for a butterfly knife, as shown and described.
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- Microtech Marfione Butterfly Knife. Snagged Jun. 2, 2013 at http://www.bladehq.com/item--Microtech-Custom-Metal-Mark--12625.
- Details of Microtech Marfione. Snagged Jun. 2, 2013 at http://www.bladehq.com/item--Microtech-Custom-Metal-Mark--12625.
Type: Grant
Filed: Jun 22, 2012
Date of Patent: Mar 18, 2014
Assignee: Marfione Custom Knives LLC (Bradford, PA)
Inventors: Anthony L Marfione (Bradford, PA), Anthony Gary Marfione (Bradford, PA)
Primary Examiner: Susan E Krakower
Assistant Examiner: Roselynn Cody
Application Number: 29/425,457