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Patent
D423973
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Priority
Mar 10 1999
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Filed
Mar 10 1999
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Issued
May 02 2000
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Expiry
May 02 2014
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Assg.orig
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Entity
unknown
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6
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19
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n/a
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The ornamental design for a water level sensor and alarm, as shown and described.
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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.
Labatt, Tony
Patent |
Priority |
Assignee |
Title |
3824460, |
|
|
|
4258444, |
May 11 1978 |
Friedrich Grohe Aktiengesellschaft |
Bath water level control system |
4297686, |
Oct 01 1979 |
|
Water detection device |
4319232, |
Mar 19 1980 |
|
Liquid leakage detector |
4673925, |
Oct 26 1984 |
|
Boiling alarm |
4757305, |
Jan 05 1987 |
|
Water level indicator |
4771272, |
Sep 08 1986 |
|
Pendent liquid level alarm apparatus |
4804947, |
May 29 1987 |
E A TAYLOR MANAGEMENT LTD |
Water sensing apparatus |
5006834, |
Mar 15 1989 |
|
Liquid level alarm |
5151685, |
Mar 12 1991 |
|
Water level alarm apparatus |
5152610, |
Oct 28 1991 |
|
Pool thermometer |
5311100, |
Nov 02 1990 |
RUTTER INC |
Water-activated survival lamp unit and an improved water-responsive switch therefor |
5539383, |
Jul 01 1993 |
|
Water detection alarm |
5631426, |
Aug 28 1995 |
The Goodyear Tire & Rubber Company |
Sensors for vibration detection |
5793294, |
Sep 18 1995 |
|
Sump alarm |
D313567, |
Oct 05 1987 |
|
Alarm for detecting bathtub water levels |
D316231, |
Sep 02 1988 |
|
Liquid level detector control unit |
D353548, |
Mar 14 1994 |
|
Sump pump failure alarm |
D366004, |
Jan 04 1995 |
|
Swimming pool perimeter alarm |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a