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Patent
D676625
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Priority
Jun 27 2012
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Filed
Jun 27 2012
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Issued
Feb 19 2013
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Expiry
Feb 19 2027
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Assg.orig
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Entity
unknown
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2
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8
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n/a
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The ornamental design for a helicopter sling-line grapple hook, as shown.
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FIG. 1 is a perspective view of the helicopter sling-line grapple hook showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a side perspective view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is an exploded view thereof; and,
FIG. 6 is another perspective view thereof.
The bottom view of the helicopter sling-line grapple hook is not part of the claimed design.
Tollenaere, Donald John
Patent |
Priority |
Assignee |
Title |
2561144, |
|
|
|
4572562, |
Apr 12 1985 |
P & H Logging Co., Inc. |
Lifting sling |
6267422, |
Jun 23 1999 |
MJT Holdings LLC |
Side mount hoist ring |
6443514, |
Sep 17 2001 |
Jergens, Inc. |
Hoist ring |
D344836, |
Sep 21 1992 |
|
Device for lifting tilt-up concrete walls with ground control release |
D417328, |
Jan 26 1999 |
|
Center pull hoist ring assembly |
D542505, |
Apr 26 2006 |
MJT Holdings LLC |
Side pull hoist ring |
D635445, |
Mar 09 2009 |
|
Wire tang casting |
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