Title:
Winglet for a fan blade
United States Patent D642674


Inventors:
Oleson, Richard A. (Lexington, KY, US)
Application Number:
29/331604
Publication Date:
08/02/2011
Filing Date:
01/29/2009
Assignee:
Delta T Corporation (Lexington, KY, US)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/411, D23/377, D23/413, D23/379, D23/385, 415/221, 415/223R
View Patent Images:
US Patent References:
D587799Winglet for a fan bladeMarch, 2009OlesonD23/411
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6776578Winglet-enhanced fanAugust, 2004Belady
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WO/2006/022812March, 2006FAN BLADES AND MODIFICATIONS
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Primary Examiner:
Lichtenstein, Lisa
Attorney, Agent or Firm:
Frost Brown Todd LLC
Claims:
CLAIM

1. The ornamental design for a winglet for a fan blade, as shown and described.

Description:

FIG. 1 is a top perspective view of the present invention;

FIG. 2 is a bottom perspective view of the present invention;

FIG. 3 is a top elevational view of the present invention;

FIG. 4 is a bottom elevational view of the present invention;

FIG. 5 is a left elevational view of the present invention;

FIG. 6 is a right elevational view of the present invention;

FIG. 7 is a front elevational view of the present invention; and,

FIG. 8 is a back elevational view of the present invention.

The broken line showing of a portion of a fan blade and of a lower portion of a winglet is included for the purpose of illustrating environmental structure and forms no part of the claimed design.