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Patent
D821054
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Priority
Oct 05 2016
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Filed
Oct 05 2016
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Issued
Jun 19 2018
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Expiry
Jun 19 2033
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Assg.orig
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Entity
unknown
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2
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32
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n/a
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The ornamental design for a hand truck attachment, as shown.
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FIG. 1 is a side view of the hand truck attachment.
FIG. 2 is a perspective view of a first side thereof.
FIG. 3 is a perspective view of a second side thereof; and,
FIG. 4 is a front view thereof.
Mitchell, Terrence
| Patent |
Priority |
Assignee |
Title |
| 2400824, |
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|
| 2742973, |
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| 2747883, |
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| 3283839, |
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| 3450219, |
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| 3638745, |
|
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|
| 4061199, |
Dec 03 1974 |
Karl-Heinz Werner, Toosbuy |
Chassis for a vehicle capable of travelling over obstructions |
| 4142732, |
Aug 23 1977 |
|
Hand truck |
| 4154315, |
Jan 21 1976 |
MCGUIRE, KEVIN C ; MCCANN, KEVIN; Parkland Corporation |
Chassis for stair-climbing vehicles |
| 4264082, |
Mar 26 1979 |
|
Stair climbing cart |
| 4312317, |
Oct 19 1979 |
Bryce D. Jewett Machine Manufacturing Company, Inc. |
Carburetor |
| 4457526, |
Oct 10 1980 |
|
Wheel assembly |
| 4960179, |
May 19 1989 |
|
Powered heavy-duty hand truck |
| 5273296, |
Nov 07 1991 |
|
Obstacle overcoming vehicle suspension system |
| 6357765, |
Aug 03 2000 |
|
Obstacle traversing wheel assembly |
| 6431664, |
Apr 27 2000 |
|
Wheel |
| 6644675, |
Jul 31 1998 |
Ferno-Washington, Inc. |
Stair chair |
| 7669861, |
May 07 2007 |
|
Stone block transporting crawler-climber |
| 20020180256, |
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|
|
| 20070075509, |
|
|
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| 20100013182, |
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| 20100294575, |
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| 20130184917, |
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| 20130274973, |
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| 20170057530, |
|
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|
| D318355, |
Aug 05 1987 |
|
Wheel assembly and attachment for a boat |
| D334268, |
Jul 02 1991 |
|
Detachable front wheel for a boat |
| D336710, |
Sep 18 1991 |
|
Stair climbing hand cart |
| D356197, |
Mar 21 1994 |
|
Hand truck |
| D404876, |
Mar 12 1998 |
|
Hand truck |
| D540503, |
Dec 16 2005 |
Ultrabright Limited |
Stair climbing wheel system |
| D590120, |
Oct 18 2007 |
|
Stair-climbing hand cart |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a