|
The ornamental design for a knife sharpener, as shown and described.
|
The broken lines in the various figures illustrate portions of the knife sharpener that form no part of the claim.
Leibson, Abraham, Friel, Jr., Daniel D., Friel, Sr., Daniel D., Jensen, George C.
Patent | Priority | Assignee | Title |
9242331, | Mar 13 2014 | Edgecraft Corporation | Electric sharpener for ceramic and metal blades |
9649749, | Jan 16 2015 | Edgecraft Corporation | Manual sharpener |
9656372, | Jan 16 2015 | Edgecraft Corporation | Sharpener for thick knives |
D699534, | Jan 07 2013 | Edgecraft Corporation | Knife sharpener |
D721937, | Feb 07 2014 | Edgecraft Corporation | Electric knife sharpener |
D723895, | May 29 2014 | DAREX LLC; Darex, LLC | Attachment for a powered sharpener |
D730137, | May 29 2014 | Darex, LLC | Powered sharpener base unit |
D803648, | Mar 13 2017 | Edgecraft Corporation | Two stage electric sharpener |
D829070, | Aug 28 2017 | Darex, LLC | Cutting tool sharpener |
D837010, | Apr 18 2017 | Lifetime Brands, Inc. | Electric knife sharpener |
D875496, | Apr 04 2018 | Sharpener | |
D910398, | Aug 19 2019 | Darex, LLC | Powered knife sharpener |
ER6212, | |||
ER8967, | |||
ER9822, |
Patent | Priority | Assignee | Title |
4627194, | Mar 12 1984 | Method and apparatus for knife and blade sharpening | |
4716689, | Mar 12 1984 | Methods and apparatus for knife and blade sharpening | |
4807399, | Mar 12 1984 | Edgecraft Corp. | Method and apparatus for sharpening a knife |
5005319, | Mar 12 1984 | Edgecraft Corporation | Knife sharpener |
5148634, | Mar 12 1984 | Edgecraft Corp. | Scissor sharpening apparatus with magnetic guide |
5245791, | Mar 12 1984 | Edgecraft Corporation | Scissor sharpening apparatus |
5611726, | Apr 28 1995 | Edgecraft Corporation | High speed precision sharpening apparatus |
6012971, | Mar 14 1997 | Edgecraft Corporation | Sharpening apparatus |
6113476, | Jan 08 1998 | Edgecraft Corp. | Versatile ultrahone sharpener |
6267652, | Jan 08 1998 | Edgecraft Corp. | Versatile ultrahone sharpener |
6802763, | Oct 25 2002 | Salton, Inc.; Hop Shing M&P Manufactory Limited | Apparatus for sharpening blades |
6863600, | Dec 17 2002 | Edgecraft Corporation | Apparatus for precision edge refinement of metallic cutting blades |
6875093, | Oct 15 2002 | Edgecraft Corporation | Sharpening device |
7235004, | Mar 27 2003 | Edgecraft Corporation | Precision means for sharpening and creation of microblades along cutting edges |
7517275, | Mar 27 2003 | Edgecraft Corp.; Edgecraft Corporation | Apparatus for precision steeling/conditioning of knife edges |
7740522, | Jul 09 2007 | NATIONAL PRESTO INDUSTRIES, INC | Knife sharpener |
20030236061, | |||
20040077296, | |||
111174, | |||
116704, | |||
151324, | |||
153168, | |||
162121, | |||
163044, | |||
165523, | |||
170935, | |||
174343, | |||
176887, | |||
177943, | |||
179610, | |||
182241, | |||
185556, | |||
192434, | |||
198859, | |||
202799, | |||
D269940, | Oct 27 1980 | BUTLER MANUFACTURING COMPANY, KANSAS CITY, MISSOURI A CORP OF DE | Cutlery sharpener |
D303209, | Sep 19 1986 | Edgecraft Corp. | Knife sharpener |
D309414, | Oct 29 1987 | Knife sharpener | |
D309415, | Oct 29 1987 | Knife sharpener | |
D310620, | Feb 01 1988 | Knife sharpener | |
D318603, | Apr 26 1989 | HP INTELLECTUAL CORP | Electrically powered can opener with knife sharpener |
D324985, | Aug 21 1987 | HP INTELLECTUAL CORP | Knife sharpener |
D328410, | Apr 12 1989 | Edgecraft Corporation | Knife sharpener |
D362794, | Nov 22 1993 | APPLICA CONSUMER PRODUCTS, INC | Combined can opener and knife sharpener |
D409891, | Jan 09 1998 | Edgecraft Corporation | Sharpener |
D427500, | Apr 12 1999 | Spyderco, Inc. | Support base for holding sharpening stones |
D517891, | Feb 13 2003 | Master Cutlery Corporation | Blade sharpener |
D542616, | Mar 10 2005 | Edgecraft Corporation | Electric knife sharpener |
D543430, | Mar 10 2005 | Edgecraft Corporation | Electric knife sharpener |
D567611, | Mar 11 2005 | Edgecraft Corporation | Electric knife sharpener having a brushed texture housing |
D575124, | Mar 15 2008 | SMITH S CONSUMER PRODUCTS, INC | Electric sharpener |
D587551, | May 02 2008 | Edgecraft Corporation | Manual sharpener |
D620332, | Aug 07 2009 | Edgecraft Corporation | Cross-grind sharpener |
D624799, | Aug 17 2009 | Robert Welch Designs Limited | Hand held knife sharpener |
D632153, | Feb 15 2010 | NATIONAL PRESTO INDUSTRIES, INC | Adjustable knife sharpener |
D641225, | Jun 21 2010 | Edgecraft Corporation | Three stage manual knife sharpener |
D641226, | Jun 21 2010 | Edgecraft Corporation | Two stage manual knife sharpener |
D651887, | Feb 21 2011 | Edgecraft Corporation | Two stage manual knife sharpener |
D652284, | Feb 16 2011 | Edgecraft Corporation | Three stage manual knife sharpener |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 07 2012 | Edgecraft Corporation | (assignment on the face of the patent) | ||||
Mar 22 2012 | JENSEN, GEORGE C | Edgecraft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030775 | 0753 | |
Mar 22 2012 | FRIEL, DANIEL D , SR | Edgecraft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030775 | 0753 | |
Mar 22 2012 | FRIEL, DANIEL D , JR | Edgecraft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030775 | 0753 | |
Mar 28 2012 | LEIBSON, ABRAHAM | Edgecraft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030775 | 0753 | |
Jun 02 2016 | Edgecraft Corporation | NORTHPORT TRS, LLC, AS COLLATERAL AGENT | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 039350 | 0197 | |
Jun 02 2016 | GREENFIELD WORLD TRADE, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 039052 | 0250 | |
Jun 02 2016 | Edgecraft Corporation | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 039052 | 0250 | |
Jun 02 2016 | OMEGA PRODUCTS, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 039052 | 0250 | |
Mar 04 2019 | Edgecraft Corporation | TCW ASSET MANAGEMENT COMPANY LLC | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048505 | 0502 | |
Mar 04 2019 | GREENFIELD WORLD TRADE, INC | TCW ASSET MANAGEMENT COMPANY LLC | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048505 | 0502 | |
Mar 04 2019 | NORTHPORT TRS, LLC | Edgecraft Corporation | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 048500 | 0982 | |
Mar 04 2019 | AVANTI PRODUCTS, LLC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048499 | 0032 | |
Mar 04 2019 | Edgecraft Corporation | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048499 | 0032 | |
Mar 04 2019 | OMEGA PRODUCTS, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048499 | 0032 | |
Mar 04 2019 | MORADA PRODUCTS, LLC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048499 | 0032 | |
Mar 04 2019 | GREENFIELD WORLD TRADE EXPORTS, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048499 | 0032 | |
Mar 04 2019 | GREENFIELD WORLD TRADE, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048499 | 0032 | |
Mar 04 2019 | OMEGA PRODUCTS, INC | TCW ASSET MANAGEMENT COMPANY LLC | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 048505 | 0502 | |
Dec 29 2021 | AVANTI PRODUCTS, LLC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 058601 | 0661 | |
Dec 29 2021 | Edgecraft Corporation | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 058601 | 0661 | |
Dec 29 2021 | OMEGA PRODUCTS, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 058601 | 0661 | |
Dec 29 2021 | GREENFIELD WORLD TRADE EXPORTS INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 058601 | 0661 | |
Dec 29 2021 | GREENFIELD WORLD TRADE, INC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 058601 | 0661 | |
Dec 29 2021 | MORADA PRODUCTS, LLC | PNC Bank, National Association | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 058601 | 0661 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |