High efficiency twisted leaf ceiling fan

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Description

FIG. 1 is a bottom perspective view of a ceiling fan with the above novel twisted blades.

FIG. 2 is a top perspective view of the ceiling fan with novel blades of FIG. 1.

FIG. 3 is a side perspective view of the ceiling fan with novel blades of FIG. 1.

FIG. 4 is a bottom view of the ceiling fan with novel blades of FIG. 1; and,

FIG. 5 is a top view of the ceiling fan with novel blades of FIG. 1.

The broken lines showing mounting holes in FIGS. 1–5 are for illustrative purposes and form no part of the claimed design, and the broken lines showing a ceiling mounting cap, motor housing, canopy and pull chain in FIGS. 1–5 are for illustrative purposes and form no part of the claimed design.

Claims

The ornamental design for a high efficiency twisted leaf ceiling fan, as shown and described.

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Patent History
Patent number: D609329
Type: Grant
Filed: Apr 10, 2009
Date of Patent: Feb 2, 2010
Assignee: University of Central Florida Research Foundation, Inc. (Orlando, FL)
Inventors: Danny S. Parker (Cocoa Beach, FL), Thomas Zambrano (Long Beach, CA)
Primary Examiner: Lisa P Lichtenstein
Attorney: Law Offices of Brian S. Steinberger, P.A.
Application Number: 29/314,574
Classifications
Current U.S. Class: Fan Element (D23/411)