USD721937S1 - Electric knife sharpener - Google Patents
Electric knife sharpener Download PDFInfo
- Publication number
- USD721937S1 USD721937S1 US29/491,303 US201429491303F USD721937S US D721937 S1 USD721937 S1 US D721937S1 US 201429491303 F US201429491303 F US 201429491303F US D721937 S USD721937 S US D721937S
- Authority
- US
- United States
- Prior art keywords
- electric knife
- knife sharpener
- sharpener
- electric
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Description
The broken lines in FIG. 3 and in FIG. 7 illustrate portions of the design that form no part of the claim.
Claims (1)
- The ornamental design for an electric knife sharpener, as shown and described.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/491,303 USD721937S1 (en) | 2014-02-07 | 2014-05-20 | Electric knife sharpener |
| CA 158052 CA158052S (en) | 2014-02-07 | 2014-08-06 | Ceramic knife sharpener |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29481563 | 2014-02-07 | ||
| US29/491,303 USD721937S1 (en) | 2014-02-07 | 2014-05-20 | Electric knife sharpener |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29481563 Continuation-In-Part | 2014-02-07 | 2014-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD721937S1 true USD721937S1 (en) | 2015-02-03 |
Family
ID=52395990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/491,303 Active USD721937S1 (en) | 2014-02-07 | 2014-05-20 | Electric knife sharpener |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | USD721937S1 (en) |
| CA (1) | CA158052S (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD803648S1 (en) | 2017-03-13 | 2017-11-28 | Edgecraft Corporation | Two stage electric sharpener |
| USD875496S1 (en) * | 2018-04-04 | 2020-02-18 | Sheng-Cheng Li | Sharpener |
| USD997675S1 (en) * | 2021-10-06 | 2023-09-05 | Darex, Llc | Power sharpener |
| USD1034139S1 (en) * | 2023-08-15 | 2024-07-09 | Newness Ongoing Technology Co., Limited | Knife sharpener |
| USD1098868S1 (en) * | 2025-03-28 | 2025-10-21 | Huoyu Technology (Shenzhen) Co., Ltd | Knife sharpener |
| USD1106790S1 (en) * | 2024-07-27 | 2025-12-23 | Guangzeng Li | Sharpener |
| USD1106791S1 (en) * | 2025-03-18 | 2025-12-23 | Shenzhen Huaxiang Technology Co., Ltd | Knife sharpener |
| USD1116689S1 (en) * | 2024-04-15 | 2026-03-10 | Xiaoming Wu | Knife sharpener |
| USD1116703S1 (en) * | 2023-08-15 | 2026-03-10 | Darex, Llc | Knife sharpener |
Citations (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2860452A (en) | 1957-08-19 | 1958-11-18 | William A Lebus | Knife sharpener |
| USD284736S (en) | 1982-07-22 | 1986-07-22 | Kyusyu Hitachi Maxell, Ltd. | Battery operated knife sharpener |
| US4627194A (en) | 1984-03-12 | 1986-12-09 | Friel Daniel D | Method and apparatus for knife and blade sharpening |
| US4807399A (en) | 1984-03-12 | 1989-02-28 | Edgecraft Corp. | Method and apparatus for sharpening a knife |
| USD303209S (en) | 1986-09-19 | 1989-09-05 | Edgecraft Corp. | Knife sharpener |
| USD310620S (en) | 1988-02-01 | 1990-09-18 | Friel Daniel D | Knife sharpener |
| US5005319A (en) | 1984-03-12 | 1991-04-09 | Edgecraft Corporation | Knife sharpener |
| USD328410S (en) | 1989-04-12 | 1992-08-04 | Edgecraft Corporation | Knife sharpener |
| US5148634A (en) | 1984-03-12 | 1992-09-22 | Edgecraft Corp. | Scissor sharpening apparatus with magnetic guide |
| US5611726A (en) | 1995-04-28 | 1997-03-18 | Edgecraft Corporation | High speed precision sharpening apparatus |
| USD409891S (en) | 1998-01-09 | 1999-05-18 | Edgecraft Corporation | Sharpener |
| US6012971A (en) | 1997-03-14 | 2000-01-11 | Edgecraft Corporation | Sharpening apparatus |
| US6113476A (en) | 1998-01-08 | 2000-09-05 | Edgecraft Corp. | Versatile ultrahone sharpener |
| US20030077990A1 (en) * | 2001-07-16 | 2003-04-24 | Sheng-Cheng Li | Electrical knife sharpening device |
| US20030236061A1 (en) * | 2001-07-16 | 2003-12-25 | Li Sheng Cheng | Knife sharper having cutting edge protective structure |
| US20040077296A1 (en) * | 2002-10-15 | 2004-04-22 | Friel Daniel D. | Sharpeninig device |
| USD491783S1 (en) * | 2003-03-18 | 2004-06-22 | Kai R&D Center Co., Ltd. | Household electric sharpener |
| US20040198198A1 (en) * | 2003-03-27 | 2004-10-07 | Friel Daniel D | Precision means for sharpening and creation of microblades along cutting edges |
| US6802763B1 (en) | 2002-10-25 | 2004-10-12 | Salton, Inc. | Apparatus for sharpening blades |
| US6863600B2 (en) | 2002-12-17 | 2005-03-08 | Edgecraft Corporation | Apparatus for precision edge refinement of metallic cutting blades |
| US6881137B2 (en) | 2001-01-11 | 2005-04-19 | Edgecraft Corporation | Manual knife sharpener with angle control |
| US6997795B2 (en) | 2003-08-13 | 2006-02-14 | Edgecraft Corporation | Versatile manual scissor sharpener |
| USD542616S1 (en) | 2005-03-10 | 2007-05-15 | Edgecraft Corporation | Electric knife sharpener |
| USD543430S1 (en) | 2005-03-10 | 2007-05-29 | Edgecraft Corporation | Electric knife sharpener |
| US7287445B2 (en) | 2003-03-27 | 2007-10-30 | Edgecraft Corporation | Apparatus for precision steeling/conditioning of knife edges |
| USD567611S1 (en) | 2005-03-11 | 2008-04-29 | Edgecraft Corporation | Electric knife sharpener having a brushed texture housing |
| USD575124S1 (en) | 2008-03-15 | 2008-08-19 | Smith Abrasives Inc. | Electric sharpener |
| US7452262B2 (en) | 2006-02-23 | 2008-11-18 | Edgecraft Corporation | Knife sharpeners with improved knife guides |
| US7488241B2 (en) | 2005-09-30 | 2009-02-10 | Edgecraft Corp. | Precision control of sharpening angles |
| US7517275B2 (en) | 2003-03-27 | 2009-04-14 | Edgecraft Corp. | Apparatus for precision steeling/conditioning of knife edges |
| US20090233530A1 (en) * | 2008-03-11 | 2009-09-17 | Friel Sr Daniel D | Sharpener for knives with widely different edge angles |
| US20090298401A1 (en) * | 2008-03-14 | 2009-12-03 | Smith Riichard S | Two step abrasive sharpener |
| USD605918S1 (en) | 2007-12-21 | 2009-12-15 | Ets Jean Deglon | Sharpening machine for sharpening knives |
| US7686676B2 (en) | 2007-04-18 | 2010-03-30 | Edgecraft Corporation | Precision sharpener for hunting and Asian knives |
| USD614009S1 (en) | 2007-12-07 | 2010-04-20 | Ets Jean Deglon | Sharpening machine for sharpening knives |
| USD620332S1 (en) | 2009-08-07 | 2010-07-27 | Edgecraft Corporation | Cross-grind sharpener |
| USD632153S1 (en) | 2010-02-15 | 2011-02-08 | National Presto Industries, Inc. | Adjustable knife sharpener |
| US8043143B2 (en) | 2009-08-07 | 2011-10-25 | Edgecraft Corporation | Sharpeners to create cross-grind knife edges |
| USD651887S1 (en) | 2011-02-21 | 2012-01-10 | Edgecraft Corporation | Two stage manual knife sharpener |
| USD652284S1 (en) | 2011-02-16 | 2012-01-17 | Edgecraft Corporation | Three stage manual knife sharpener |
| USD665647S1 (en) | 2012-01-11 | 2012-08-21 | Edgecraft Corporation | Two-stage manual knife sharpener |
| US8267750B2 (en) | 2003-03-27 | 2012-09-18 | Edgecraft Corporation | Apparatus for precision steeling/conditioning of knife edges |
| USD680399S1 (en) | 2012-03-07 | 2013-04-23 | Ed. Wuesthof Dreizackwerk Kg | Three stage knife sharpener |
| USD688545S1 (en) * | 2012-03-07 | 2013-08-27 | Edgecraft Corporation | Knife sharpener |
| US8585462B2 (en) * | 2011-12-22 | 2013-11-19 | Edgecraft Corp. | Precision sharpener for ceramic knife blades |
| USD699534S1 (en) * | 2013-01-07 | 2014-02-18 | Edgecraft Corporation | Knife sharpener |
| US8678882B1 (en) * | 2013-06-26 | 2014-03-25 | Edgecraft Corporation | Combination sharpener assembly |
| USD705625S1 (en) * | 2013-05-21 | 2014-05-27 | Edgecraft Corporation | Combination sharpener having two sharpening components |
-
2014
- 2014-05-20 US US29/491,303 patent/USD721937S1/en active Active
- 2014-08-06 CA CA 158052 patent/CA158052S/en not_active Expired - Lifetime
Patent Citations (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2860452A (en) | 1957-08-19 | 1958-11-18 | William A Lebus | Knife sharpener |
| USD284736S (en) | 1982-07-22 | 1986-07-22 | Kyusyu Hitachi Maxell, Ltd. | Battery operated knife sharpener |
| US5148634A (en) | 1984-03-12 | 1992-09-22 | Edgecraft Corp. | Scissor sharpening apparatus with magnetic guide |
| US4716689A (en) | 1984-03-12 | 1988-01-05 | Friel Daniel D | Methods and apparatus for knife and blade sharpening |
| US4807399A (en) | 1984-03-12 | 1989-02-28 | Edgecraft Corp. | Method and apparatus for sharpening a knife |
| US5005319A (en) | 1984-03-12 | 1991-04-09 | Edgecraft Corporation | Knife sharpener |
| US5245791A (en) | 1984-03-12 | 1993-09-21 | Edgecraft Corporation | Scissor sharpening apparatus |
| US4627194A (en) | 1984-03-12 | 1986-12-09 | Friel Daniel D | Method and apparatus for knife and blade sharpening |
| USD303209S (en) | 1986-09-19 | 1989-09-05 | Edgecraft Corp. | Knife sharpener |
| USD310620S (en) | 1988-02-01 | 1990-09-18 | Friel Daniel D | Knife sharpener |
| USD328410S (en) | 1989-04-12 | 1992-08-04 | Edgecraft Corporation | Knife sharpener |
| US5611726A (en) | 1995-04-28 | 1997-03-18 | Edgecraft Corporation | High speed precision sharpening apparatus |
| US6012971A (en) | 1997-03-14 | 2000-01-11 | Edgecraft Corporation | Sharpening apparatus |
| US6113476A (en) | 1998-01-08 | 2000-09-05 | Edgecraft Corp. | Versatile ultrahone sharpener |
| US6267652B1 (en) | 1998-01-08 | 2001-07-31 | Edgecraft Corp. | Versatile ultrahone sharpener |
| USD409891S (en) | 1998-01-09 | 1999-05-18 | Edgecraft Corporation | Sharpener |
| US6881137B2 (en) | 2001-01-11 | 2005-04-19 | Edgecraft Corporation | Manual knife sharpener with angle control |
| US20030077990A1 (en) * | 2001-07-16 | 2003-04-24 | Sheng-Cheng Li | Electrical knife sharpening device |
| US20030236061A1 (en) * | 2001-07-16 | 2003-12-25 | Li Sheng Cheng | Knife sharper having cutting edge protective structure |
| US6932683B2 (en) | 2001-07-16 | 2005-08-23 | Sheng Cheng Li | Knife sharper having cutting edge protective structure |
| US20040077296A1 (en) * | 2002-10-15 | 2004-04-22 | Friel Daniel D. | Sharpeninig device |
| US6875093B2 (en) | 2002-10-15 | 2005-04-05 | Edgecraft Corporation | Sharpening device |
| US6802763B1 (en) | 2002-10-25 | 2004-10-12 | Salton, Inc. | Apparatus for sharpening blades |
| US6863600B2 (en) | 2002-12-17 | 2005-03-08 | Edgecraft Corporation | Apparatus for precision edge refinement of metallic cutting blades |
| USD491783S1 (en) * | 2003-03-18 | 2004-06-22 | Kai R&D Center Co., Ltd. | Household electric sharpener |
| US20040198198A1 (en) * | 2003-03-27 | 2004-10-07 | Friel Daniel D | Precision means for sharpening and creation of microblades along cutting edges |
| US7287445B2 (en) | 2003-03-27 | 2007-10-30 | Edgecraft Corporation | Apparatus for precision steeling/conditioning of knife edges |
| US8267750B2 (en) | 2003-03-27 | 2012-09-18 | Edgecraft Corporation | Apparatus for precision steeling/conditioning of knife edges |
| US7517275B2 (en) | 2003-03-27 | 2009-04-14 | Edgecraft Corp. | Apparatus for precision steeling/conditioning of knife edges |
| US7235004B2 (en) | 2003-03-27 | 2007-06-26 | Edgecraft Corporation | Precision means for sharpening and creation of microblades along cutting edges |
| US6997795B2 (en) | 2003-08-13 | 2006-02-14 | Edgecraft Corporation | Versatile manual scissor sharpener |
| USD542616S1 (en) | 2005-03-10 | 2007-05-15 | Edgecraft Corporation | Electric knife sharpener |
| USD543430S1 (en) | 2005-03-10 | 2007-05-29 | Edgecraft Corporation | Electric knife sharpener |
| USD567611S1 (en) | 2005-03-11 | 2008-04-29 | Edgecraft Corporation | Electric knife sharpener having a brushed texture housing |
| US7488241B2 (en) | 2005-09-30 | 2009-02-10 | Edgecraft Corp. | Precision control of sharpening angles |
| US7452262B2 (en) | 2006-02-23 | 2008-11-18 | Edgecraft Corporation | Knife sharpeners with improved knife guides |
| US7494403B2 (en) | 2006-02-23 | 2009-02-24 | Edgecraft Corporation | Knife sharpener with improved knife guides |
| US7686676B2 (en) | 2007-04-18 | 2010-03-30 | Edgecraft Corporation | Precision sharpener for hunting and Asian knives |
| USD614009S1 (en) | 2007-12-07 | 2010-04-20 | Ets Jean Deglon | Sharpening machine for sharpening knives |
| USD605918S1 (en) | 2007-12-21 | 2009-12-15 | Ets Jean Deglon | Sharpening machine for sharpening knives |
| US20090233530A1 (en) * | 2008-03-11 | 2009-09-17 | Friel Sr Daniel D | Sharpener for knives with widely different edge angles |
| US20090298401A1 (en) * | 2008-03-14 | 2009-12-03 | Smith Riichard S | Two step abrasive sharpener |
| USD575124S1 (en) | 2008-03-15 | 2008-08-19 | Smith Abrasives Inc. | Electric sharpener |
| USD620332S1 (en) | 2009-08-07 | 2010-07-27 | Edgecraft Corporation | Cross-grind sharpener |
| US8043143B2 (en) | 2009-08-07 | 2011-10-25 | Edgecraft Corporation | Sharpeners to create cross-grind knife edges |
| USD632153S1 (en) | 2010-02-15 | 2011-02-08 | National Presto Industries, Inc. | Adjustable knife sharpener |
| USD652284S1 (en) | 2011-02-16 | 2012-01-17 | Edgecraft Corporation | Three stage manual knife sharpener |
| USD651887S1 (en) | 2011-02-21 | 2012-01-10 | Edgecraft Corporation | Two stage manual knife sharpener |
| US8585462B2 (en) * | 2011-12-22 | 2013-11-19 | Edgecraft Corp. | Precision sharpener for ceramic knife blades |
| USD665647S1 (en) | 2012-01-11 | 2012-08-21 | Edgecraft Corporation | Two-stage manual knife sharpener |
| USD680399S1 (en) | 2012-03-07 | 2013-04-23 | Ed. Wuesthof Dreizackwerk Kg | Three stage knife sharpener |
| USD688545S1 (en) * | 2012-03-07 | 2013-08-27 | Edgecraft Corporation | Knife sharpener |
| USD699534S1 (en) * | 2013-01-07 | 2014-02-18 | Edgecraft Corporation | Knife sharpener |
| USD705625S1 (en) * | 2013-05-21 | 2014-05-27 | Edgecraft Corporation | Combination sharpener having two sharpening components |
| US8678882B1 (en) * | 2013-06-26 | 2014-03-25 | Edgecraft Corporation | Combination sharpener assembly |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD803648S1 (en) | 2017-03-13 | 2017-11-28 | Edgecraft Corporation | Two stage electric sharpener |
| USD875496S1 (en) * | 2018-04-04 | 2020-02-18 | Sheng-Cheng Li | Sharpener |
| USD997675S1 (en) * | 2021-10-06 | 2023-09-05 | Darex, Llc | Power sharpener |
| USD1056844S1 (en) | 2021-10-06 | 2025-01-07 | Darex, Llc | Power sharpener |
| USD1034139S1 (en) * | 2023-08-15 | 2024-07-09 | Newness Ongoing Technology Co., Limited | Knife sharpener |
| USD1116703S1 (en) * | 2023-08-15 | 2026-03-10 | Darex, Llc | Knife sharpener |
| USD1116689S1 (en) * | 2024-04-15 | 2026-03-10 | Xiaoming Wu | Knife sharpener |
| USD1106790S1 (en) * | 2024-07-27 | 2025-12-23 | Guangzeng Li | Sharpener |
| USD1106791S1 (en) * | 2025-03-18 | 2025-12-23 | Shenzhen Huaxiang Technology Co., Ltd | Knife sharpener |
| USD1098868S1 (en) * | 2025-03-28 | 2025-10-21 | Huoyu Technology (Shenzhen) Co., Ltd | Knife sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| CA158052S (en) | 2015-03-03 |
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