Windmill blade
Description
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
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)