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Patent
D969889
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Priority
Dec 13 2019
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Filed
May 13 2020
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Issued
Nov 15 2022
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Expiry
Nov 15 2037
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Assg.orig
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Entity
unknown
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0
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51
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n/a
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The ornamental design for a sharpening machine, as shown and described.
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FIG. 1 is a perspective view of a sharpening machine, showing the new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines in the figures depict portions of the sharpening machine which form no part of the claimed design.
Cigarini, Enrico
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
10265788, |
Nov 30 2015 |
|
Chainsaw sharpening device, system, and method |
11117205, |
Mar 28 2018 |
TECOMEC S.R.L. |
Portable sharpener |
2780897, |
|
|
|
2792724, |
|
|
|
3071026, |
|
|
|
3592085, |
|
|
|
3779103, |
|
|
|
3877324, |
|
|
|
4319502, |
Oct 01 1979 |
|
Portable saw chain sharpener |
4416169, |
Mar 31 1981 |
|
Automatic saw chain grinder |
4463630, |
Feb 06 1981 |
|
Chain-saw chain sharpening device |
4471581, |
Sep 09 1982 |
Darex Corporation |
Universal twist drill sharpener apparatus |
4559851, |
Dec 21 1983 |
|
Saw chain grinder |
4617763, |
Jul 19 1984 |
|
Belt driven knife sharpener |
4658677, |
Jul 12 1984 |
PRECISION TOOLING S P A |
Device for grinding chain saw teeth |
4732056, |
Oct 02 1986 |
|
Saw chain grinding machine |
4762027, |
Dec 19 1984 |
FERCAD S P A |
Rotating grinding wheel device for sharpening chain saws |
4836058, |
Dec 07 1987 |
|
Saw chain grinding machine |
5117713, |
Jun 26 1990 |
|
Arrangement in automatic saw chain grinders |
5257563, |
Aug 27 1990 |
|
Apparatus for sharpening saw blades |
5400546, |
Mar 19 1993 |
Darex Corporation |
Precision twist drill sharpener/point splitting machine |
5525095, |
Jun 09 1994 |
JPW INDUSTRIES INC |
Bench grinder |
5649853, |
Jul 23 1996 |
|
Drill bit grinding machine |
6161453, |
Jan 30 1998 |
Chain Masters, Inc. |
Saw chain sharpener for a chain saw |
7121932, |
Jul 06 2004 |
|
Portable drill sharpener |
7175512, |
Feb 22 2005 |
OREGON TOOL, INC |
Cutting chain grinder and method of grinding |
7473163, |
Oct 04 2007 |
|
Cutter grinding device |
8696407, |
Dec 21 2007 |
Darex, LLC |
Cutting tool sharpener |
9630288, |
Oct 01 2015 |
|
Grinder |
20020045404, |
|
|
|
20050183545, |
|
|
|
20070167121, |
|
|
|
20080028048, |
|
|
|
20080280548, |
|
|
|
20170232537, |
|
|
|
D366662, |
Aug 09 1994 |
Black & Decker Inc |
Grinding and sharpening machine |
D385567, |
Jul 10 1996 |
BERNARD, DAVID A |
Drill sharpening device |
D458617, |
Aug 30 2001 |
LDS INDUSTRIES, LLC; C H HANSON CO |
Bench grinder |
D559872, |
Jun 27 2006 |
Scheppach Fabrikation von Holzbearbeitungsmaschinen GmbH |
Grinding machine |
D568132, |
Sep 13 2006 |
Choon Nang Electrical Appliance Mfy., Ltd |
Sharpener for drill bits |
D594887, |
Oct 12 2007 |
TECOMEC S.p.A. |
Bench chain grinder |
D594888, |
Oct 12 2007 |
TECOMEC S.p.A. |
Bench chain grinder |
D595318, |
Oct 12 2007 |
TECOMEC S.p.A. |
Bench chain grinder |
D723895, |
May 29 2014 |
DAREX LLC; Darex, LLC |
Attachment for a powered sharpener |
D730137, |
May 29 2014 |
Darex, LLC |
Powered sharpener base unit |
D756737, |
Oct 21 2014 |
TECOMEC S.R.L. |
Chainsaw sharpener |
D757514, |
Oct 21 2014 |
TECOMEC S.R.L. |
Chainsaw sharpener |
D758156, |
Jun 20 2014 |
AMA S P A |
Sharpener |
D837270, |
Nov 10 2016 |
JPW Industries Inc.; JPW INDUSTRIES INC |
Three wheel belt grinder |
D851692, |
Nov 15 2016 |
TECOMEC S.R.L. |
Sharpening machine |
EP2067558, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a