Etching blade
Description
Claims
The ornamental design for an etching blade, as shown and described.
Referenced Cited
U.S. Patent Documents
D237452 | November 1975 | Hall |
D245831 | September 20, 1977 | West et al. |
D279645 | July 16, 1985 | Makris |
D338607 | August 24, 1993 | Anderson |
D358643 | May 23, 1995 | Knepshield et al. |
D400068 | October 27, 1998 | Gold |
D405667 | February 16, 1999 | Rivera |
D538117 | March 13, 2007 | Lin |
D573855 | July 29, 2008 | Khechoyan |
D624185 | September 21, 2010 | McGinley |
Patent History
Patent number: D637876
Type: Grant
Filed: Oct 15, 2010
Date of Patent: May 17, 2011
Inventor: Mark Charles Williams (Milpitas, CA)
Primary Examiner: Garth Rademaker
Attorney: Sinorica, LLC
Application Number: 29/376,998
Type: Grant
Filed: Oct 15, 2010
Date of Patent: May 17, 2011
Inventor: Mark Charles Williams (Milpitas, CA)
Primary Examiner: Garth Rademaker
Attorney: Sinorica, LLC
Application Number: 29/376,998
Classifications
Current U.S. Class:
D8/20