Oxygen sensor

- Seatronics Company, Inc.

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Description

FIG. 1 is a top and front perspective view of an oxygen sensor showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a rear elevational view; and

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D203984 March 1966 Roth
D239470 April 1976 Wright et al.
3322662 May 1967 Mackereth
3546086 December 1970 Sayles
4017373 April 12, 1977 Shaw et al.
4207161 June 10, 1980 Pegnim
4277322 July 7, 1981 Kane
4324632 April 13, 1982 Tantram et al.
4435268 March 6, 1984 Martin et al.
4695361 September 22, 1987 Grady
Patent History
Patent number: D307559
Type: Grant
Filed: Feb 26, 1987
Date of Patent: May 1, 1990
Assignee: Seatronics Company, Inc. (Hatboro, PA)
Inventors: Frederick A. Parker (Gwynedd Valley, PA), Mark P. Grady (Norristown, PA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: William H. Eilberg
Application Number: 7/20,671
Classifications
Current U.S. Class: Chemical (12) (D10/81)