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
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
Other references
  • 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
Classifications
Current U.S. Class: Spirit Level (D10/69)
International Classification: 1004;