Bubble level
Description
Claims
The ornamental design for an “bubble level”, as shown and described.
Referenced Cited
U.S. Patent Documents
3584212 | June 1971 | Hansen |
4593475 | June 10, 1986 | Mayes |
D389758 | January 27, 1998 | Motamed |
D395013 | June 9, 1998 | Webb |
D409100 | May 4, 1999 | Brimer |
D504834 | May 10, 2005 | DeBoer et al. |
D590280 | April 14, 2009 | Allemand |
D597871 | August 11, 2009 | Liao |
D597873 | August 11, 2009 | Gofer |
7946045 | May 24, 2011 | Allemand |
D646597 | October 11, 2011 | Allemand |
Patent History
Patent number: D694136
Type: Grant
Filed: Jun 20, 2012
Date of Patent: Nov 26, 2013
Inventor: Mark L. Silberberg (Fallbrook, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/425,223
Type: Grant
Filed: Jun 20, 2012
Date of Patent: Nov 26, 2013
Inventor: Mark L. Silberberg (Fallbrook, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/425,223
Classifications
Current U.S. Class:
Spirit Level (D10/69)