Clamshell
Description
Claims
The ornamental design for a clamshell, as shown and described.
Referenced Cited
Patent History
Patent number: D664425
Type: Grant
Filed: Feb 28, 2011
Date of Patent: Jul 31, 2012
Inventor: Calvin S. Krupa (Greenfield, MN)
Primary Examiner: Thomas Johannes
Attorney: Kamrath IP Lawfirm, PA
Application Number: 29/386,288
Type: Grant
Filed: Feb 28, 2011
Date of Patent: Jul 31, 2012
Inventor: Calvin S. Krupa (Greenfield, MN)
Primary Examiner: Thomas Johannes
Attorney: Kamrath IP Lawfirm, PA
Application Number: 29/386,288
Classifications
Current U.S. Class:
D9/420;
D9/425