Windmill blade

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is an upper perspective view of the windmill blade showing my design.

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

Claims

The ornamental design for a windmill blade, as shown and described.

Referenced Cited
U.S. Patent Documents
D305419 January 9, 1990 Korneski
4971520 November 20, 1990 Van Houten
D374656 October 15, 1996 Richardson
5624234 April 29, 1997 Neely et al.
D509584 September 13, 2005 Li et al.
D566829 April 15, 2008 Parker et al.
D570999 June 10, 2008 Harman et al.
D584685 January 13, 2009 Murakami
D587195 February 24, 2009 van Wijck
D605590 December 8, 2009 Chen et al.
Patent History
Patent number: D663689
Type: Grant
Filed: Jun 1, 2011
Date of Patent: Jul 17, 2012
Inventor: Lawrence K. Lee (Houston, TX)
Primary Examiner: Derrick Holland
Attorney: Egbert Law Offices PLLC
Application Number: 29/393,228
Classifications
Current U.S. Class: Wind Or Hand Powered (D13/115)