PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D423970
|
Priority
Jul 23 1999
|
Filed
Jul 23 1999
|
Issued
May 02 2000
|
Expiry
May 02 2014
|
|
Assg.orig
|
|
Entity
unknown
|
5
|
2
|
n/a
|
|
|
The ornamental design for a level-alert sensor, as shown and described.
|
FIG. 1 is a top, front. left side perspective view of the level-alert
sensor of the present invention;
FIG. 2 is a top plan view of the level-alert sensor of FIG. 1;
FIG. 3 is a front elevational view of the level-alert sensor of FIG. 1;
FIG. 4 is a top, front, right side perspective view of the level-alert
sensor of FIG. 1; and,
FIG. 5 is a top, rear, right side perspective view of the level-alert
sensor of FIG. 1.
Waldner, Alvin J
Patent |
Priority |
Assignee |
Title |
D313567, |
Oct 05 1987 |
|
Alarm for detecting bathtub water levels |
D316231, |
Sep 02 1988 |
|
Liquid level detector control unit |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a