Water level sensor and alarm

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Description

FIG. 1 is a front view of a water level sensor and alarm according to my design;

FIG. 2 is a rear view of my design of FIG. 1.

FIG. 3 is a view of my design of FIGS. 1 and 2 in a storage position.

FIG. 4 is a side view of my design of FIGS. 1, 2 and 3 showing my design in a further position.

Referenced Cited
U.S. Patent Documents
D313567 January 8, 1991 Henry et al.
D316231 April 16, 1991 Inglima
D353548 December 20, 1994 Witzke
D366004 January 9, 1996 Poliah
3824460 July 1974 Gustafson
4258444 March 31, 1981 Orszullok
4297686 October 27, 1981 Tom
4319232 March 9, 1982 Westphal et al.
4673925 June 16, 1987 Whiteman
4757305 July 12, 1988 Peso
4771272 September 13, 1988 Barnes
4804947 February 14, 1989 Geleziunas
5006834 April 9, 1991 Fountain
5151685 September 29, 1992 Spicer et al.
5152610 October 6, 1992 Hallett
5311100 May 10, 1994 Brain
5539383 July 23, 1996 Chin
5631426 May 20, 1997 Jao
5793294 August 11, 1998 Schepka
Patent History
Patent number: D423973
Type: Grant
Filed: Mar 10, 1999
Date of Patent: May 2, 2000
Inventor: Tony Labatt (Toronto, Ontario)
Primary Examiner: Marcus A. Jackson
Application Number: 0/101,792
Classifications
Current U.S. Class: D10/106
International Classification: 1005;