|
The design for a liquid level detector, as described and shown. |
FIG. 1 is a top, front, and left side perspective view of a liquid level detector showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a right side elevational view;
FIG. 4 is a left side elevational view; and
FIG. 5 is a bottom plan view thereof.
Fathauer, George H., Pratt, Ryder
Patent | Priority | Assignee | Title |
D816525, | Aug 09 2016 | Hokuriku Electric Industry Co., Ltd. | Pressure sensitive sensor |
D896113, | Sep 03 2018 | SHENZHEN INTELLIROCKS TECH. CO., LTD. | Leakage detector |
D897227, | Mar 25 2020 | Water leak sensor | |
D939980, | Jun 17 2019 | GUARD, INC | Data and sensor system hub |
Patent | Priority | Assignee | Title |
4638666, | Nov 20 1985 | Lumen Electronics Corporation | Movable gauge housing |
218707, | |||
D293558, | Nov 13 1984 | Skandiafabriken AB | Liquid level gauge |
54584, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 16 1988 | PRATT, RYDER | WATERWATCH, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004872 | /0171 | |
Feb 16 1988 | FATHAUER, GEORGE H | WATERWATCH, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004872 | /0171 | |
Mar 10 1988 | Waterwatch, Inc. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |