Liquid level sensor

- Flowline Inc.
Description

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.

Referenced Cited
U.S. Patent Documents
D235055 June 1975 McCloskey
4806847 February 21, 1989 Atherton et al.
5156047 October 20, 1992 Tuma et al.
Patent History
Patent number: D352010
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