Patent
   D524718
Priority
May 31 2005
Filed
May 31 2005
Issued
Jul 11 2006
Expiry
Jul 11 2020
Assg.orig
Entity
unknown
48
6
n/a
The ornamental design for a rigid coaxial rotor helicopter with dual auxiliary propulsion, as shown and described.

FIG. 1 is a perspective view of the rigid coaxial rotor helicopter with dual auxiliary propulsion;

FIG. 2 is another perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof.

Eadie, William J., Scott, Mark W.

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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 27 2005SCOTT, MARK W Sikorsky Aircraft CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166550639 pdf
May 27 2005EADIE, WILLIAM J Sikorsky Aircraft CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166550639 pdf
May 31 2005Sikorsky Aircraft Corporation(assignment on the face of the patent)
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