Level sensor and heating unit

- Wema-System AS
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Description

FIG. 1 is a front perspective view of a level sensor and heating unit showing my new design,

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevation view.

In the drawings, the broken lines shown in the Figures depict unclaimed subject matter only and form no part of the claimed design.

Claims

The ornamental design for a level sensor and heating unit, as shown and described.

Referenced Cited
U.S. Patent Documents
1190289 July 1916 Herz
1522992 January 1925 Abbott
2070635 February 1937 White
D139313 October 1944 Landerman
2902581 September 1959 Stiebel
4527533 July 9, 1985 Laramee
4617456 October 14, 1986 Richards et al.
D350297 September 6, 1994 Weisel
D387295 December 9, 1997 Krikorian
D397630 September 1, 1998 Clifton
D415264 October 12, 1999 Thweatt, Jr.
D537743 March 6, 2007 Liu
Patent History
Patent number: D622833
Type: Grant
Filed: Apr 21, 2009
Date of Patent: Aug 31, 2010
Assignee: Wema-System AS (Laksevag)
Inventor: Øystein Gismervik (Fyllingsdalen)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Attorney: Fredrikson & Byron, P.A.
Application Number: 29/335,745