No-dog bubble level
Description
FIG. 1 is a perspective view of the level.
FIG. 2 is a front view of the bubble level. The front view is a mirror image of the rear view.
FIG. 3 is a top view of the bubble level.
FIG. 4 is a bottom view of the bubble level.
FIG. 5 is a left end view of the bubble level; and,
FIG. 6 is a right end view of the bubble level.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Other references
2816369 | December 1957 | Becker |
2842863 | July 1958 | Hellwig |
3106024 | October 1963 | Lea |
3435533 | April 1969 | Whitfield |
4189844 | February 26, 1980 | Riggins, Sr. |
4274208 | June 23, 1981 | Yakkel |
4394799 | July 26, 1983 | Moree et al. |
4829676 | May 16, 1989 | Waldron |
4947556 | August 14, 1990 | Peil |
5154000 | October 13, 1992 | Mahoney et al. |
5167075 | December 1, 1992 | Weldy et al. |
5535523 | July 16, 1996 | Endris |
- Spirit Level, Modern Plastics, pp. 122-123, Apr. 1945.
Patent History
Patent number: D409100
Type: Grant
Filed: Jun 22, 1998
Date of Patent: May 4, 1999
Inventor: David W. Brimer (Granite City, IL)
Primary Examiner: Antoine Duval Davis
Attorney: Don W. Weber
Application Number: 0/89,730
Type: Grant
Filed: Jun 22, 1998
Date of Patent: May 4, 1999
Inventor: David W. Brimer (Granite City, IL)
Primary Examiner: Antoine Duval Davis
Attorney: Don W. Weber
Application Number: 0/89,730
Classifications