Patent
   D343824
Priority
Dec 29 1992
Filed
Dec 29 1992
Issued
Feb 01 1994
Expiry
Feb 01 2008
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design for an external hoistfor a helicopter, as shown and described.

FIG. 1 is a perspective view of my new external hoist for a helicopter;

FIG. 2 is a side view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Halwes, Dennis

Patent Priority Assignee Title
7325475, Apr 13 2004 Leidos, Inc Modular structure
D420484, Aug 27 1998 Retractable hunting equipment hoistline
D492078, Apr 09 2003 Portable equipment retrieval tool
D517268, Mar 15 2004 Retractable towrope
D610325, Jul 08 2008 RUD KETTEN RIEGER & DIETZ GMBH U CO KG Hoists
D771346, Aug 03 2015 GOLDMAN SACHS BANK USA, AS SUCCESSOR COLLATERAL AGENT Hoist apparatus
Patent Priority Assignee Title
3904156,
4695012, Jun 08 1983 Aerial load-lifting system
4984757, May 30 1989 Trapeze mount for airborne tree trimming apparatus
5169197, Jan 28 1991 The United States of America as represented by the Secretary of the Navy Lift link for helicopter external lift of dual HMMWV's
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 16 1992HALWES, DENNIEAERONAUTICAL ACCESSORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0063790213 pdf
Dec 29 1992Aeronautical Accessories, Inc.(assignment on the face of the patent)
Mar 10 1993GLOBAL HELICOPTER TECHNOLOGY, INC AERONAUTICAL ACCESSORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0064950671 pdf
Apr 01 2001EDWARDS & ASSOCIATES, INC TEXTRON IPMP L P ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151770226 pdf
Apr 01 2001AERONAUTICAL ACCESSORIES, INC TEXTRON IPMP L P ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151770226 pdf
Apr 01 2001BELL AIRCRAFT SERVICES MICHIGAN INC TEXTRON IPMP L P ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151770226 pdf
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