Liquid level sensor
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FIG. 1 is a front elevational view of a first embodiment of a liquid level sensor embodying my new design;
FIG. 2 is a right side elevational view of the liquid level sensor embodiment of FIG. 1, which is a mirror image of the left side elevational view thereof;
FIG. 3 is a rear elevational view of the liquid level sensor embodiment of FIG. 1;
FIG. 4 is a top plan view of the liquid level sensor embodiments of FIGS. 1, 6, 9, 12, 14 and 17;
FIG. 5 is a bottom plan view of the liquid level sensor embodiments of FIGS. 1 and 6;
FIG. 6 is a front elevational view of a second embodiment of a liquid level sensor embodying my new design;
FIG. 7 is a right side elevational view of the liquid level sensor embodiment of FIG. 6, which is a mirror image of the left side elevational view thereof;
FIG. 8 is a rear elevational view of the liquid level sensor embodiment of FIG. 6;
FIG. 9 is a front elevational view of a third embodiment of a liquid level sensor embodying my new design, which is identical to the rear elevational view thereof;
FIG. 10 is a right side elevational view of the liquid level sensor embodiment of FIG. 9, which is identical to the left side elevational view thereof;
FIG. 11 is a bottom plan view of the liquid level sensor embodiments of FIGS. 9 and 12;
FIG. 12 is a front elevational view of a fourth embodiment of a liquid level sensor embodying my new design, which is identical to the rear elevational view thereof;
FIG. 13 is a right side elevational view of the liquid level sensor embodiment of FIG. 12, which is identical to the left side elevational view thereof;
FIG. 4 is a front elevational view of a fifth embodiment of a liquid level sensor embodying my new design, which is identical to the rear elevational view thereof;
FIG. 15 is a right side elevational view of the liquid level sensor embodiment of FIG. 14, which is identical to the left side elevational view thereof;
FIG. 16 is a bottom plan view of the liquid level sensor embodiments of FIGS. 14 and 17;
FIG. 17 is a front elevational view of a sixth embodiment of a liquid level sensor embodying my new design, which is identical to the rear elevational view thereof; and,
FIG. 18 is a right side elevational view of the liquid level sensor embodiment of FIG. 17, which is identical to the left side elevational view thereof.
Type: Grant
Filed: Oct 2, 1992
Date of Patent: Nov 1, 1994
Assignee: Flowline Inc. (Seal Beach, CA)
Inventor: Charles Curbbun (Leucadia, CA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Pretty, Schroeder, Brueggemann & Clark
Application Number: 0/55