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PTO
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Patent
D569703
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Priority
May 31 2006
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Filed
May 31 2006
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Issued
May 27 2008
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Expiry
May 27 2022
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Assg.orig
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Entity
unknown
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4
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11
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n/a
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The ornamental design for a knife grinder, as shown and described.
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FIG. 1 is a perspective view of a knife grinder showing my design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Wu, Chin-Sung
| Patent |
Priority |
Assignee |
Title |
| 5291805, |
Jul 06 1992 |
Locan Properties, LLC |
Sharpening and deburring tool |
| 5673599, |
Aug 04 1994 |
Locan Properties, LLC |
Double-ended sharpening and deburring tool |
| 5679068, |
Aug 04 1994 |
Locan Properties, LLC |
Sharpening and deburring tool with unitary blade guard and handle |
| D365740, |
Sep 06 1994 |
Smith Abrasives, Inc. |
Knife sharpener |
| D367598, |
Oct 18 1994 |
|
Knife sharpener |
| D369081, |
Aug 04 1994 |
Locan Properties, LLC |
Sharpening and deburring tool |
| D375241, |
May 31 1995 |
Rhino Industries, Inc. |
Knife sharpener |
| D387262, |
Jan 16 1996 |
Locan Properties, LLC |
Sharpening and deburring tool |
| D394596, |
Jan 29 1996 |
Locan Properties, LLC |
Double ended sharpening and deburring tool |
| D475599, |
Sep 23 2002 |
|
Knife sharpener |
| D525509, |
Feb 09 2005 |
Weschenfelder GmbH |
Blade sharpener |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a