PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D898539
|
Priority
Apr 28 2020
|
Filed
Apr 28 2020
|
Issued
Oct 13 2020
|
Expiry
Oct 13 2035
|
|
Assg.orig
|
|
Entity
unknown
|
2
|
18
|
n/a
|
|
|
The ornamental design for a knife sharpener, as shown and described.
|
FIG. 1 is a front elevational view of a knife sharpener showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a portion of the perspective view of FIG. 5 enlarged for magnification purposes; and,
FIG. 8 is a perspective view thereof.
Huagn, Dongchen
Patent |
Priority |
Assignee |
Title |
1352888, |
|
|
|
1381334, |
|
|
|
2484335, |
|
|
|
3420123, |
|
|
|
3861087, |
|
|
|
4094106, |
Oct 08 1976 |
Southern Saw Service, Inc. |
Honing device |
7713112, |
Nov 01 2007 |
|
Precision ceramic whetstone |
9033771, |
Feb 22 2013 |
Lifetime Brands, Inc. |
Knife sharpener |
20090183601, |
|
|
|
20100323597, |
|
|
|
20140242895, |
|
|
|
229476, |
|
|
|
D333081, |
Oct 31 1990 |
|
Knife sharpener |
D363869, |
Aug 29 1994 |
Frost Cutlery Company |
Sharpening stone holder for a knife sharpener |
D389716, |
Aug 05 1996 |
LIFETIME BRANDS, INC |
Knife and tool sharpener |
D529779, |
Jul 12 2004 |
SMITH S CONSUMER PRODUCTS, INC |
Oval knife sharpening rod |
D560461, |
May 30 2006 |
KAI U.S.A. Ltd.; KAI U S A , LTD , DBA KERSHAW KNIVES |
Sharpening steel |
D799930, |
Apr 11 2016 |
SMITH S CONSUMER PRODUCTS, INC |
Hook and knife sharpener |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a