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Patent
D850231
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Priority
Oct 10 2017
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Filed
Oct 10 2017
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Issued
Jun 04 2019
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Expiry
Jun 04 2034
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Assg.orig
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Entity
unknown
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0
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24
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n/a
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The ornamental design for a sharpener for razor blades, as shown and described.
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1. Sharpener for razor blades
1.1 : Front
1.2 : Back
1.3 : Right
1.4 : Left
1.5 : Top
1.6 : Bottom
1.7 : Unfolded
Ahlgren, Henrik
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| 1976070, |
|
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|
| 4838899, |
Jan 25 1988 |
|
Curette sharpening hone and method of making |
| 5036731, |
Oct 12 1990 |
|
Razor sharpening device |
| 5785586, |
Nov 05 1996 |
|
Sharpening method and apparatus |
| 8074535, |
Jul 14 2008 |
|
Device for treating blades to improve their cutting properties |
| 8246422, |
Jan 13 2006 |
|
Device for cleaning safety razor blade |
| 20040045407, |
|
|
|
| 20090000426, |
|
|
|
| 20100068975, |
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|
| 20130055856, |
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| 136858, |
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| 162356, |
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| 22871, |
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|
| D260356, |
Jul 07 1978 |
|
Honing kit |
| 33943, |
|
|
|
| D348598, |
Jan 08 1993 |
Edgecraft Corp. |
Manual file and sharpening tool |
| D372180, |
Jan 17 1995 |
Acme United Corporation |
Combined whetstone and housing |
| D375441, |
Nov 03 1994 |
|
Sharpening stone |
| D465985, |
Jan 14 2002 |
Acme United Corporation |
Mini-hone |
| D633908, |
Apr 19 2010 |
Apple Inc. |
Electronic device |
| D671937, |
Apr 19 2010 |
Apple Inc. |
Electronic device |
| D762207, |
Sep 10 2013 |
Apple Inc |
Electronic device |
| D779484, |
Sep 07 2012 |
Apple Inc. |
Electronic device |
| 86424, |
|
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a