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The ornamental design for a liquid level alarm, substantially as shown and described. |
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FIG. 1 is a front, top and right side perspective view of a liquid level alarm showing my new design;
FIG. 2 is a reduced front elevational view thereof;
FIG. 3 is a reduced side elevational view taken from the left of FIG. 1;
FIG. 4 is a reduced rear elevational view thereof;
FIG. 5 is a reduced top plan view thereof;
FIG. 6 is a reduced bottom plan view thereof.
| Patent | Priority | Assignee | Title |
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| D316231, | Sep 02 1988 | Liquid level detector control unit | |
| D386100, | Dec 09 1996 | Sump pump malfunction alarm | |
| D407050, | May 29 1998 | Bath overflow warning system | |
| D948352, | Mar 04 2020 | TIDALX AI INC | Unit controller |
| Patent | Priority | Assignee | Title |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 24 1986 | TABACH, JULIUS I | K O PRODUCTS, INC , A CORP OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 004529 | /0219 |
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