Liquid level detector
Pratt , et al. November 20, 1
U.S. patent number D312,219 [Application Number 07/166,155] was granted by the patent office on 1990-11-20 for liquid level detector. This patent grant is currently assigned to Waterwatch, Inc.. Invention is credited to George H. Fathauer, Ryder Pratt.
| United States Patent | D312,219 |
| Pratt , et al. | November 20, 1990 |
Liquid level detector
Claims
The design for a liquid level detector, as described and shown.
| Inventors: | Pratt; Ryder (St. Louis, MO), Fathauer; George H. (Tempe, AZ) |
|---|---|
| Assignee: | Waterwatch, Inc. (St. Louis,
MO) |
| Appl. No.: | 07/166,155 |
| Filed: | March 10, 1988 |
| Current U.S. Class: | D10/101; D10/102 |
| Field of Search: | ;D10/96,99,100,101,102,103 ;73/29R,293,34R,305,307,308,314,315 ;250/577 |
References Cited [Referenced By]
U.S. Patent Documents
| D54584 | March 1920 | Blood |
| D218707 | September 1970 | DiPinto |
| D293558 | January 1988 | Andreasson |
| 4638666 | January 1987 | Wong et al. |
Assistant Examiner: Davis; Antoine D.
Attorney, Agent or Firm: Kalish & Gilster
Description
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.
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