Plumber's level

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Description

FIG. 1 is a side elevational view of a “plumber's level” showing my new design;

FIG. 2 is a right end view thereof;

FIG. 3 is a left end view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Claims

The ornamental design for a “plumber's level”, as shown and described.

Referenced Cited
U.S. Patent Documents
3584212 June 1971 Hansen
4593475 June 10, 1986 Mayes
D301553 June 13, 1989 Makofsky et al.
5103569 April 14, 1992 Leatherwood
D332226 January 5, 1993 Hutchins et al.
D355134 February 7, 1995 Kennedy
D371309 July 2, 1996 Webb
D389758 January 27, 1998 Motamed
D395013 June 9, 1998 Webb
D409100 May 4, 1999 Brimer
D411470 June 29, 1999 Webb
D504834 May 10, 2005 DeBoer et al.
D513198 December 27, 2005 Levinson
D538186 March 13, 2007 Silberberg
D539679 April 3, 2007 Silberberg
7210243 May 1, 2007 Schmidt et al.
D546214 July 10, 2007 Schwartz et al.
7509752 March 31, 2009 Schmidt et al.
D590280 April 14, 2009 Allemand
D597871 August 11, 2009 Liao
D597873 August 11, 2009 Gofer
D613194 April 6, 2010 Silberberg
7802372 September 28, 2010 Silberberg
7946045 May 24, 2011 Allemand
7975393 July 12, 2011 Sparrow
D646597 October 11, 2011 Allemand
8061051 November 22, 2011 Allemand
D694136 November 26, 2013 Silberberg
Patent History
Patent number: D719470
Type: Grant
Filed: Jul 23, 2013
Date of Patent: Dec 16, 2014
Inventor: Mark L. Silberberg (Fallbrook, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/461,406
Classifications
Current U.S. Class: Spirit Level (D10/69)